VULNERABILITY INTELLIGENCE

CVE-2021-25681

CVSS score7.5 HIGH

EPSS probability10.88%

CISA KEVNot currently listed

Published2021-04-20

Last modified2026-07-09

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

nvd@nist.gov: NVD-CWE-noinfo

Primary references

cve@mitre.org — Exploit, Third Party Advisory, VDB Entry
cve@mitre.org — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory