Read the docs
TI-2026-08376 Aliases CVE-2026-9532GHSA-mcj4-p9r9-g5ph

Totolink CA750-PoE Setting cstecgi.cgi setUploadUserData os command injection

Priority MEDIUM 57CWE-77Published · 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
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument FileName leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.10375 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by 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
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
TOTOLINKCA750-PoE6.2c.510—No fix listedCNA
  • CA750-PoE VendorTOTOLINK Affected 6.2c.510 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:totolink:ca750-poe:*:*:*:*:*:*:*:*——TOTOLINK
  • cpe:2.3:a:totolink:ca750-poe:*:*:*:*:*:*:*:* Versions — — ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-9532
  2. 2026-10-03 Alias added: GHSA-mcj4-p9r9-g5ph
  3. 2026-10-25 EPSS moved to the 95th–99th percentile

References

  • TI-2023-25090 An issue in TOTOLINK A3700R v.9.1.2u.6165_20211012 allows a remote attacker to execute… CVSS 3.1CRITICAL 9.8
  • TI-2026-80926 TOTOLINK A950RG stack-based overflow in infostat.cgi via CONTENT_LENGTH CVSS 4.0CRITICAL 10.0
  • TI-2026-79142 Command injection in TOTOLINK A950RG UploadCustomModule function CVSS 4.0CRITICAL 10.0
  • TI-2026-79031 TOTOLINK EX200 setWiFiAclAddConfig stack-based buffer overflow CVSS 4.0CRITICAL 10.0
  • TI-2026-79012 Stack-based buffer overflow in TOTOLINK EX200 setStaticDhcpConfig CVSS 4.0CRITICAL 10.0
  • TI-2026-67719 Stack-based overflow in Totolink A3002MU QoS rule handler CVSS 4.0CRITICAL 10.0
See all 1321 →

Sources