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TI-2026-00518 Aliases CVE-2026-0731GHSA-p562-m5vc-8p56

TOTOLINK WA1200 HTTP Request cstecgi.cgi null pointer dereference

Priority HIGH 70CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

A vulnerability has been found in TOTOLINK WA1200 5.9c.2914. The impacted element is an unknown function of the file cstecgi.cgi of the component HTTP Request Handler. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00706 53rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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
TOTOLINKWA12005.9c.2914—No fix listedCNA
  • WA1200 VendorTOTOLINK Affected 5.9c.2914 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:h:totolink:wa1200-poe:*:*:*:*:*:*:*:*all versionsVulnerableTOTOLINK
cpe:2.3:o:totolink:wa1200-poe_firmware:5.9c.2914:*:*:*:*:*:*:*5.9c.2914VulnerableTOTOLINK
cpe:2.3:h:totolink:wa1200-poe:*:*:*:*:*:*:*:*all versionsRunning onTOTOLINK
  • cpe:2.3:h:totolink:wa1200-poe:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·TOTOLINK
  • cpe:2.3:o:totolink:wa1200-poe_firmware:5.9c.2914:*:*:*:*:*:*:* Versions 5.9c.2914 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:wa1200-poe:*:*:*:*:*:*:*:* Versions all versions Running on ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-0731
  2. 2026-10-03 Alias added: GHSA-p562-m5vc-8p56

References

Exploit 2

Other 1

Sources

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