CVE-2021-31726
Akuvox
- Published
- 25 April 2021
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.1
- Severity
- critical
- EPSS
- 1.8% (77th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-77
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Akuvox C315 115.116.2613 allows remote command Injection via the cfgd_server service. The attack vector is sending a payload to port 189 (default root 0.0.0.0).
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 1.8% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| C315 | Akuvox | unknown | 115.116.2613 |
References
Vendor advisory and patch
- https://pastebin.com/yv4ajFjD third-party
- https://pastebin.com/yv4ajFjD third-party
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.