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TI-2023-06598 Aliases CVE-2023-7213GHSA-8c3q-7745-hrhp

Totolink N350RT HTTP POST Request main stack-based overflow

Priority HIGH 71CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A vulnerability classified as critical was found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this vulnerability is the function main of the file /cgi-bin/cstecgi.cgi?action=login&flag=1 of the component HTTP POST Request Handler. The manipulation of the argument v33 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-249769 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00903 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TOTOLINKN350RT9.3.5u.6139_B20201216—No fix listedCNA
  • N350RT VendorTOTOLINK Affected 9.3.5u.6139_B20201216 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:n350rt_firmware:9.3.5u.6139_b20201216:*:*:*:*:*:*:*9.3.5u.6139_b20201216VulnerableTOTOLINK
cpe:2.3:h:totolink:n350rt:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:n350rt_firmware:9.3.5u.6139_b20201216:*:*:*:*:*:*:* Versions 9.3.5u.6139_b20201216 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:n350rt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-7213
  2. 2026-10-03 Alias added: GHSA-8c3q-7745-hrhp

References

Exploit 1

  • TI-2025-32380 TOTOLINK N350RT V9.3.5u.6139_B20201216 was discovered to contain a buffer overflow via… CVSS 3.1CRITICAL 9.8
  • TI-2024-28695 Incorrect access control in TOTOLINK N350RT V9.3.5u.6139_B20201216 allows attackers to… CVSS 3.1CRITICAL 9.8
  • TI-2023-06603 Totolink N350RT cstecgi.cgi loginAuth stack-based overflow CVSS 3.1CRITICAL 9.8
  • TI-2024-06916 TOTOLINK N350RT cstecgi.cgi setWizardCfg buffer overflow CVSS 4.0HIGH 8.7
  • TI-2024-06794 TOTOLINK N350RT cstecgi.cgi setParentalRules buffer overflow CVSS 4.0HIGH 8.7
  • TI-2023-06602 Totolink N350RT cstecgi.cgi loginAuth stack-based overflow CVSS 3.1HIGH 7.2
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences