CVE-2023-31729 — TOTOLINK A3300R v17

TOTOLINK A3300R v17.0.0cu.557 is vulnerable to Command Injection via /cgi-bin/cstecgi.cgi.

01What is this vulnerability?

TOTOLINK A3300R v17.0.0cu.557 is vulnerable to Command Injection via /cgi-bin/cstecgi.cgi.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-18T02:15:12.380
• Last modified: 2026-07-09T01:18:18.897

09References

• github.com — https://github.com/D2y6p/CVE/blob/2bac2c96e24229fa99e0254eaac1b8809e424b4b/Totol…
• github.com — https://github.com/D2y6p/CVE/blob/main/Totolink/CVE-2023-31729/CVE-2023-31729.md
• github.com — https://github.com/D2y6p/CVE/blob/2bac2c96e24229fa99e0254eaac1b8809e424b4b/Totol…
• github.com — https://github.com/D2y6p/CVE/blob/main/Totolink/CVE-2023-31729/CVE-2023-31729.md
• github.com — https://github.com/D2y6p/CVE/blob/2bac2c96e24229fa99e0254eaac1b8809e424b4b/Totol…