CVE-2026-31172
MEDIUMCVSS 6.5/10EPSS 0.28%
Last modified
CVE-2026-31172 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the user parameter to /cgi-bin/cstecgi.cgi.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the user parameter to /cgi-bin/cstecgi.cgi.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Totolink | A3300r Firmware | 17.0.0cu.557_b20221024 |
References
- https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-user-cmd-injectionExploit, Third Party Advisory
- https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-user-cmd-injectionExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-31172?
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the user parameter to /cgi-bin/cstecgi.cgi.
How severe is CVE-2026-31172?
CVE-2026-31172 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2026-31172?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-31172?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST