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New Mirai Variant Targeting Network Security Devices
New Mirai botnet variant exploits nine vulnerabilities in SonicWall, D-Link, Netgear, and other devices, with attacks ongoing at publication.
Unit 42 observed attacks exploiting VisualDoor (SonicWall SSL-VPN), CVE-2020-25506 (D-Link DNS-320), CVE-2020-26919 (Netgear ProSAFE Plus), and other flaws, with infrastructure rotating across at least three IP addresses between February 16 and March 13, 2021. Payloads were updated hours after CVE-2021-27561 and CVE-2021-27562 (Yealink Device Management, unauthenticated root RCE) and later added CVE-2021-22502 (Micro Focus Operation Bridge Reporter) and CVE-2019-19356 (Netis WF2419). Successful exploitation invokes wget to fetch shell scripts that download Mirai binaries compiled for multiple architectures and brute-forcers, and attacks were still ongoing when reported.
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CISA Urges Software Makers to Eliminate OS Command Injection Flaws
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Coolify Discloses 11 Critical Flaws Enabling Full Server Compromise on Self
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A Deep Dive Into Attempted Exploitation of CVE-2023
Mirai-like botnet scans exploit TP-Link EOL router flaw CVE-2023-33538 after CISA KEV addition, though observed exploit code is flawed.
Unit 42 observed large-scale automated scans attempting to exploit CVE-2023-33538 in end-of-life TP-Link TL-WR940N, TL-WR740N and TL-WR841N routers after CISA added the flaw to its KEV catalog in June 2025. HTTP GET requests inject commands via the ssid1 parameter at the /userRpm/WlanNetworkRpm endpoint to download and execute an arm7 ELF binary, a Mirai variant related to the Condi IoT botnet. Firmware emulation and reverse engineering showed the observed exploits are flawed and would fail, but the underlying vulnerability is real and successful exploitation requires authentication to the router's web interface. TP-Link confirmed the devices are end-of-life with no patches available and recommends replacing units and eliminating default credentials.
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[remote] D-Link DNS_340L - OS Command Injection
An OS command injection exploit was published for the D-Link DNS-340L NAS, a flaw relevant to exposed network storage devices.
Exploit-DB published exploit #52643 for the D-Link DNS-340L network-attached storage device. The vulnerability is an OS command injection, which could allow arbitrary command execution on affected devices. The disclosure text does not report exploitation in the wild.
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[webapps] CorgetGpsDget 2_3.2 - OS Command Injection
Exploit-DB publishes OS command injection exploit for the obscure CorgetGpsDget 2_3.2 web application.
A public exploit demonstrates OS command injection in CorgetGpsDget version 2_3.2. The flaw could allow attackers to execute arbitrary operating system commands on the hosting server. The product appears to have limited deployment, reducing real-world exposure.
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[webapps] Linksys E1200_2.0.04 - Unauthenticated OS Command Injection
A proof-of-concept for unauthenticated OS command injection in Linksys E1200 router firmware 2.0.04 has been published on Exploit-DB.
Exploit-DB entry 52660 discloses an unauthenticated OS command injection affecting the Linksys E1200 wireless router running firmware version 2.0.04. The flaw is categorized as a web application vulnerability. No CVE identifier or evidence of in-the-wild exploitation is provided in the listing.
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CISA Warns of Zimbra OS Command Injection Vulnerability Active Exploitation (CVE-2026-73570)
CISA added actively exploited Zimbra OS command injection flaw CVE-2026-73570 to its KEV catalog, urging users to patch by August 24, 2026.
CISA warned that Zimbra vulnerability CVE-2026-73570 is being actively exploited in the wild and added it to its Known Exploited Vulnerabilities Catalog. The OS command injection flaw resides in the SNMP monitoring component and is exploitable when SNMP notifications are enabled. Users, including US federal agencies subject to BOD deadlines, were urged to apply fixes before the August 24, 2026 deadline. Qualys ThreatPROTECT published tracking coverage of the KEV addition.
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U.S. CISA adds Microsoft Windows, Zyxel device flaws to its Known Exploited Vulnerabilities catalog
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SonicWall's SMA1000 boxes under active attack again
SonicWall warns attackers are chaining two SMA1000 zero-days, a CVSS 10.0 SSRF and command injection, to compromise VPN gateways.
SonicWall says attackers are actively exploiting two chained zero-days in SMA 1000 appliances: CVE-2026-83548, a pre-authentication SSRF rated CVSS 10.0, and CVE-2026-83549, a post-authentication OS command injection (CVSS 7.8) in the Appliance Management Console. Hotfixes are available for SMA 6210, 7210, and 8200v appliances with no workarounds; SonicWall recommends reimaging compromised devices, rotating passwords, and resetting TOTP tokens. NHS England assesses further exploitation as almost certain, following a similar exploited pair in July when CISA added CVE-2026-15409 to its KEV catalog.
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US CISA added 17 flaws to its Known Exploited Vulnerabilities Catalog
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Progress Software fixed multiple high
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CISA Flags Meteobridge CVE-2025-4008 Flaw as Actively Exploited in the Wild
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CISA adds recently disclosed Apple flaws to its Known Exploited Vulnerabilities catalog
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CISA Adds Three Security Flaws with Active Exploitation to KEV Catalog
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U.S. CISA adds D-Link DIR-820 Router, DrayTek Multiple Vigor Router, Motion Spell GPAC, SAP Commerce Cloud bugs to its Known Exploited Vulnerabilities catalog
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