CVE-2023-7219 — A vulnerability has been found in Totolink N350RT 9

A vulnerability has been found in Totolink N350RT 9.3.5u.6139_B202012 and classified as critical. Affected by this vulnerability is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to stack-based buffer overflow. The attack

01What is this vulnerability?

A vulnerability has been found in Totolink N350RT 9.3.5u.6139_B202012 and classified as critical. Affected by this vulnerability is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249853 was…

02Affected products

Vendor	Product	Versions
Totolink	N350RT	9.3.5u.6139_B202012

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: 2024-01-09T06:00:06.219Z
• Last modified: 2025-06-03T14:33:14.990Z

09References

• vuldb.com — https://vuldb.com/?id.249853
• vuldb.com — https://vuldb.com/?ctiid.249853
• github.com — https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/5/README.md