CVE-2021-25681
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
CVSS
7.5
High
EPSS
10.9%
p96
KEV
—
Exploit Today
29
0-100
Published: Apr 20, 2021 · Last modified: Jul 9, 2026
10.9%EPSS · 30 days10.9%
2026-09-282026-10-26
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.
- packetstormsecurity.comhttp://packetstormsecurity.com/files/162280/Adtran-Personal-Phone-Manager-10.8.1-DNS-Exfiltration.html
- github.comhttps://github.com/3ndG4me/AdTran-Personal-Phone-Manager-Vulns/blob/main/CVE-2021-25681.md
- packetstormsecurity.comhttp://packetstormsecurity.com/files/162280/Adtran-Personal-Phone-Manager-10.8.1-DNS-Exfiltration.html
- github.comhttps://github.com/3ndG4me/AdTran-Personal-Phone-Manager-Vulns/blob/main/CVE-2021-25681.md
No related CVEs by CWE or product.