CVE-2021-25681

PoC ×2—

CVSS 3.1

7.5 high

EPSS

11%p96

Published

Apr 20, 2021 (Apr 20, 2021)

Modified

Jul 9, 2026

Description

AdTran Personal Phone Manager 10.8.1 software is vulnerable to an issue that allows for exfiltration of data over DNS. This could allow for exposed AdTran Personal Phone Manager web servers to be used as DNS redirectors to tunnel arbitrary data over DNS. NOTE: The affected appliances NetVanta 7060 and NetVanta 7100 are considered End of Life and as such this issue will not be patched.

Vendors: adtran
Products: personal phone manager
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (10.9%)

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