VulnerabilityAnalyzed
CVE-2026-31181
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunServerAddr parameter to /cgi-bin/cstecgi.cgi.
CRITICAL 9.8EPSS 0.58%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunServerAddr parameter to /cgi-bin/cstecgi.cgi.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.58% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- totolink/a3300r firmware
- Source
- cve@mitre.org
References
- https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-server-addr-cmd-injectionExploit, Third Party Advisory
- https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-server-addr-cmd-injectionExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.