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TI-2024-06797 Aliases CVE-2024-7336GHSA-vp2r-2xj4-fq27

TOTOLINK EX200 cstecgi.cgi loginauth buffer overflow

Priority HIGH 73CWE-120Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

A vulnerability classified as critical was found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-273259. 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 0.0127 69th 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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
TOTOLINKEX2004.0.3c.7646_B20201211—No fix listedCNA
  • EX200 VendorTOTOLINK Affected 4.0.3c.7646_B20201211 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:*4.0.3c.7646_b20201211VulnerableTOTOLINK
cpe:2.3:h:totolink:ex200:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:* Versions 4.0.3c.7646_b20201211 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:ex200:-:*:*:*:*:*:*:* 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-2024-7336
  2. 2026-10-03 Alias added: GHSA-vp2r-2xj4-fq27

References

Exploit 1

  • TI-2024-20942 TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a hardcoded password for root at /etc/shadow.sample. CVSS 3.1CRITICAL 9.8
  • TI-2024-20939 TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution… CVSS 3.1CRITICAL 9.8
  • TI-2024-20946 TOTOLINK EX200 V4.0.3c.7646_B20201211 allows attackers to bypass login through the Form_Login function. CVSS 3.1HIGH 8.8
  • TI-2024-20940 TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution… CVSS 3.1HIGH 8.8
  • TI-2024-20941 TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution… CVSS 3.1HIGH 8.8
  • TI-2024-06796 TOTOLINK EX200 getSaveConfig buffer overflow CVSS 4.0HIGH 8.7
See all 18 →

Sources

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