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Fencer Vulns
medium 5.5

CVE-2023-7187 json

Totolink N350RT HTTP POST Request stack-based overflow

published 2023-12-31 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-59368

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

A vulnerability was found in Totolink N350RT 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi?action=login&flag=ie8 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The identifier VDB-249389 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 5.5 CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 5.2 AV:A/AC:L/Au:S/C:P/I:P/A:P
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Totolink N350RT

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.