CISA tells operators to harden Siemens S7 PLCs. Here’s how to do it without disrupting production
CISA, NSA, FBI and other agencies warn of active targeting of internet-exposed Siemens S7 PLCs and urge patching, exposure removal and hardening.
Joint advisory AA26-231A from the NSA, CISA, FBI, Department of Energy and EPA warns that actors are actively targeting Siemens S7 PLCs using internet scanning, AI-assisted scripts and libraries such as Snap7 and python-snap7 over S7comm on TCP port 102. The advisory covers S7-200 through S7-1500 series controllers and recommends patching, removing internet exposure, access controls, monitoring and disabling unneeded services. Siemens states no new S7 vulnerabilities are involved, only misconfigurations addressed in existing ProductCERT guidance SSB-104599. The article details how to apply each measure without breaking production dependencies such as remote I/O, HMI links and diagnostics.
Schneider Electric SCADAPack x70 Products
CISA advisory: Schneider Electric SCADAPack x70 RTUs contain CVE-2026-81861, an insufficiently protected credentials flaw allowing unauthorized access to RTU configuration.
CISA advisory ICSA-26-258-04 discloses CVE-2026-81861 affecting all versions of Schneider Electric SCADAPack 47x, 47xi, 47xd, 470R, 57x, 3xx, and 32 remote terminal units. The CWE-522 insufficiently protected credentials vulnerability could expose authentication information and permit unauthorized access to RTU configuration through the Secure Lock functionality. The flaw carries a CVSS v3.1 base score of 6.5 (medium), and the products are deployed worldwide in critical manufacturing and energy sectors. Abhinav Agarwal reported the vulnerability to CISA.
Siemens Mendix SAML
Siemens Mendix SAML module fails signature validation, allowing unauthenticated account hijacking in specific SSO configurations (CVE-2026-80465).
CISA republished Siemens advisory SSA-887643 for CVE-2026-80465 (CVSS 8.7) in the Mendix SAML module, affecting Mendix 10/11-compatible versions before 4.2.3 and Mendix 9.24-compatible versions before 3.6.27. The module improperly validates SAML response signatures (CWE-347), letting unauthenticated remote attackers hijack an account in specific SSO configurations. Mendix has released fixed versions and recommends updating.
Digital Watchdog VMAX DVR and NVR Product Lineups
CISA advisory details six flaws, aggregate CVSS 9.6, giving attackers full control of Digital Watchdog VMAX DVR/NVR surveillance devices.
CISA advisory ICSA-26-258-01 discloses six vulnerabilities affecting all versions of Digital Watchdog VMAX A1 G4 DVRs, VMAX IP G4 NVRs, VMAX A1 PLUS, VA1G4, and VG4 recorders, with aggregate CVSS v3 of 9.6. Flaws include an authentication bypass leaking plaintext admin credentials (CVE-2026-68953), hard-coded credentials enabling root FTP access (CVE-2026-66890, CVE-2026-68950), root command execution (CVE-2026-68070), missing authorization on state-changing CGIs (CVE-2026-66887), and predictable session tokens (CVE-2026-66372). Successful exploitation grants full administrative control, live and recorded surveillance access, and a network pivot point. Products are deployed worldwide across commercial facilities, government, healthcare, and transportation sectors.
Wärtsilä FOS-Onboard
CISA advisory: two hardcoded cryptographic key flaws in Wärtsilä FOS-Onboard 5.07.0923.01 (CVSS 9.0/9.1) could allow unauthorized updates, code execution, and credential theft.
CISA advisory ICSA-26-258-02 discloses CVE-2026-78225 (CVSS 3.1 9.0 critical), a hardcoded cryptographic server key in the deployer-ng Update Controller of Wärtsilä FOS-Onboard 5.07.0923.01. CVE-2026-81855 (CVSS 3.1 9.1 critical) is a hardcoded client authentication key in the robot testing framework component. Successful exploitation could let an attacker deliver unauthorized updates, execute code, or extract credentials to impersonate a privileged client. The product is deployed worldwide in transportation systems critical infrastructure; Cydome Security reported the flaws and CISA states no known public exploitation exists.
Siemens Teamcenter
Reflected XSS in Siemens Teamcenter /auth/ redirect flow lets unauthenticated attackers inject JavaScript into authenticated sessions (CVE-2026-58113).
CISA republished Siemens advisory SSA-157465 for CVE-2026-58113, a reflected cross-site scripting flaw (CVSS 6.1) in the /auth/ authentication redirect flow of Siemens Teamcenter V2412, V2506, V2512, and V2606. An unauthenticated attacker can craft a URL that injects arbitrary JavaScript into an authenticated user's browser, enabling data theft or actions within the victim's Teamcenter session. Fixed versions are available for all affected releases; Enzo Alvarez of Bishop Fox reported the vulnerability.
CareCam CM2507
CISA advisory: seven flaws in CareCam CM2507 IP cameras enable unauthenticated live video access, privileged ONVIF control, credential recovery, and code execution.
CISA advisory ICSA-26-258-08 discloses seven vulnerabilities in CareCam HMT.CM2507 IP cameras running firmware v251211.1507. Issues include missing authentication for network video streaming (CVE-2026-88259, CVSS 3.1 7.5), an empty password on a privileged ONVIF account (CVE-2026-84398), weak legacy hashing of the root password (CVE-2026-85497, CVSS 4.0 9.3 critical), and cleartext storage of Wi-Fi credentials (CVE-2026-81321). Physical-access flaws allow arbitrary code execution from scripts on removable media (CVE-2026-81305) and unauthenticated bootloader access (CVE-2026-85478). The cameras are deployed worldwide in commercial facilities.
Siemens Reyrolle 7SR5
CISA advisory covers 14 vulnerabilities, CVSS 9.8, in Siemens Reyrolle 7SR5 energy-sector protection relays before V2.70.
CISA advisory ICSA-26-258-05 covers 14 vulnerabilities in Siemens Reyrolle 7SR5 protection relays before V2.70, used in the energy sector worldwide, with aggregate CVSS v3 of 9.8. Flaws include Cesanta Mongoose web server issues (CVE-2024-42384 through CVE-2024-42392) and new bugs such as web-interface session-ID exposure enabling authentication bypass (CVE-2026-62645, CVSS 9.8), predictable session tokens (CVE-2026-62646, CVE-2026-62647), and pre-auth out-of-bounds writes (CVE-2026-62648). Siemens has released V2.70 and recommends updating to the latest version.
mySCADA myPRO Manager
CISA advisory reveals unauthenticated privileged API access and arbitrary SMS sending in mySCADA myPRO Manager <=2.1, CVSS 9.8.
CISA advisory ICSA-26-258-03 discloses two vulnerabilities in mySCADA myPRO Manager <=2.1 with aggregate CVSS v3 of 9.8. CVE-2026-73807 (CVSS 9.8) lets unauthenticated network attackers access privileged management functions via the command API, while CVE-2026-82567 exposes an unauthenticated HTTP endpoint that sends arbitrary SMS messages through a connected GSM modem. Deployments span critical manufacturing, energy, food and agriculture, transportation, and water and wastewater sectors. CISA states no known public exploitation has been reported at this time.
AVEVA Pipeline Integrity Monitor
CISA advisory details four flaws in AVEVA Pipeline Integrity Monitor <=2025_SP1_P1, allowing information disclosure, weak-hash admin elevation, and cross-site scripting.
CISA published ICSA-26-253-01 covering AVEVA Pipeline Integrity Monitor versions <=2025_SP1_P1_build_7.1.9580.8513. CVE-2026-81821 (hard-coded cryptographic key, CWE-321) lets a user with read access decrypt PIMBoards project files, and CVE-2026-81822 (CWE-327) allows brute-forcing weak password hashes to elevate to PIMBoards administrator; both score 8.4 HIGH (CVSS v3.1). CVE-2026-81823 (CWE-862) permits unauthenticated read operations, and CVE-2026-81824 (CWE-79) enables arbitrary JavaScript execution via socially engineered links. CISA reports no known public exploitation and recommends limiting network exposure of control system devices.
NextGen Healthcare Mirth Connect
CISA warns NextGen Healthcare Mirth Connect <=4.7.1 has SQL injection and XXE flaws enabling credential theft, file writes, and DoS.
CISA released advisory ICSMA-26-253-01 covering three vulnerabilities in NextGen Healthcare Mirth Connect versions 4.7.1 and earlier: SQL injection CVE-2026-82583 (CVSS 8.3), XXE CVE-2026-78224 (CVSS 8.2), and XXE CVE-2026-82578 (CVSS 7.5). Exploitation could expose stored credentials for connected systems, enable arbitrary file writes, and cause denial-of-service conditions. No public exploitation has been reported; the product is deployed worldwide in the Healthcare and Public Health sector.
Orthanc DICOM Server
CISA advisory flags CVE-2026-87020, an integer overflow in Orthanc DICOM Server <1.13.0 causing heap out-of-bounds write and denial of service when decoding crafted PNG/JPEG images.
CISA published ICSMA-26-253-02 for Orthanc DICOM Server versions below 1.13.0, used in healthcare environments worldwide. CVE-2026-87020 (CWE-190) is an integer overflow in pitch and buffer-size computation causing a heap out-of-bounds write when decoding attacker-supplied PNG or JPEG images. An authenticated remote attacker can crash the Orthanc process and cause denial of service; CVSS v3.1 is 8.1 HIGH. CISA states no known public exploitation targeting this flaw has been reported.
ST Engineering iDirect iQ-Series Terminals (Update A)
CISA advisory details four flaws in ST Engineering iDirect iQ-Series VSAT terminals <=4.5.2.1, enabling device data theft, CSRF-driven reboots, and local privilege escalation.
CISA's Update A to ICSA-26-183-01 covers ST Engineering iDirect iQ-Series, 3315-Series and 9-Series terminals at firmware <=4.5.2.1, deployed across communications, defense, energy and transportation. CVE-2026-38059 exposes unauthenticated /api/identity and /api/ endpoints leaking serial number, DID, TPK, MAC address and firmware version, potentially enabling terminal impersonation; CVE-2026-38057 is a CSRF flaw letting an attacker force terminal reboots and satellite link loss via /api/reboot. CVE-2026-38056 enables local privilege escalation using the factory-configured technician account (CVSS 3.1 8.8, CVSS 4.0 9.4), and CVE-2026-38058 exposes crackable MD5-crypt root password hashes. All four flaws were reported to CISA by Ahmed Alqahtani of Aramco.
CareCam Pro IP Cameras
CISA advisory details hard-coded bootloader credential CVE-2026-85083 in ANJIA AJL33PC0801 CareCam Pro cameras, allowing physical-access firmware compromise.
CISA ICS advisory ICSA-26-251-01 describes CVE-2026-85083, a hard-coded credential (CWE-798) used for bootloader authentication in the ANJIA AJL33PC0801 CareCam Pro IP camera. An attacker with physical access could gain privileged bootloader access and modify firmware and configuration, potentially fully compromising the device. The flaw scores 6.8 on CVSS 3.1 (7.0 on CVSS 4.0), is not remotely exploitable, and no public exploitation has been reported. Affected firmware is linux_linux_202008261138_svn13796 with U-Boot 2010.06; the vendor is headquartered in China with worldwide deployments.
7th September – Threat Intelligence Report
Check Point weekly bulletin: exploited SonicWall SMA 1000 zero-days (CVE-2026-83548/49), JFrog Artifactory auth bypass, and a 2.8M-patient Baylor Genetics breach.
Check Point's weekly bulletin covers breaches including Thomson Reuters' C-Track platform (court records across 11 US states and Canada), Baylor Genetics (2.8M patients and employees, SSNs included), Hit casinos in Slovenia, and Dropbox (~5,000 accounts via abused Lenovo email verification). SonicWall patched two exploited SMA 1000 zero-days, including CVE-2026-83548, a CVSS 10.0 pre-authentication SSRF, while JFrog fixed exploited authentication bypass CVE-2026-82329 (CVSS 9.8). Malware and actor coverage includes Gambling Goblin, JSCeal, Mirage Kitten's NodeRabbit/PollCat campaign, and DPRK Contagious Interview macOS activity, plus a FalconFlank privilege-escalation PoC against CrowdStrike Falcon.