CVE-2021-25681 EXPLOIT
7.5
HIGH · CVSS 3.1 · EPSS 10.9% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 10.88% — more likely to be exploited than 96% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-04-20 |
| Last modified | 2026-07-09 |
Affected (3)
| Vendor | Product |
|---|---|
| adtran | netvanta 7060 |
| adtran | netvanta 7100 |
| adtran | personal phone manager |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Adtran Personal Phone Manager 10.8.1 - DNS Exfiltration | 2021-04-21 |
References
- http://packetstormsecurity.com/files/162280/Adtran-Personal-Phone-Manager-10.8.1-DNS-Exfiltration.html
- https://github.com/3ndG4me/AdTran-Personal-Phone-Manager-Vulns/blob/main/CVE-2021-25681.md
- http://packetstormsecurity.com/files/162280/Adtran-Personal-Phone-Manager-10.8.1-DNS-Exfiltration.html
- https://github.com/3ndG4me/AdTran-Personal-Phone-Manager-Vulns/blob/main/CVE-2021-25681.md
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