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TI-2025-05548 Aliases CVE-2025-6138GHSA-jvv4-6597-w46c

TOTOLINK T10 HTTP POST Request cstecgi.cgi setWizardCfg buffer overflow

Priority HIGH 73CWE-119Published · 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-119 and the CVSS impact.

Summary

A vulnerability classified as critical was found in TOTOLINK T10 4.1.8cu.5207. Affected by this vulnerability is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ssid5g leads to buffer overflow. The attack can be launched 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 0.00984 62nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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
TOTOLINKT104.1.8cu.5207—No fix listedCNA
  • T10 VendorTOTOLINK Affected 4.1.8cu.5207 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:t10_firmware:4.1.8cu.5207:*:*:*:*:*:*:*4.1.8cu.5207VulnerableTOTOLINK
cpe:2.3:h:totolink:t10:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:t10_firmware:4.1.8cu.5207:*:*:*:*:*:*:* Versions 4.1.8cu.5207 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:t10:-:*:*:*:*:*:*:* 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-2025-6138
  2. 2026-10-03 Alias added: GHSA-jvv4-6597-w46c

References

  • TI-2024-07569 TOTOLINK T10 AC1200 Telnet Service product.ini hard-coded credentials CVSS 4.0CRITICAL 9.3
  • TI-2025-05547 TOTOLINK T10 HTTP POST Request cstecgi.cgi setWiFiScheduleCfg buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-05331 TOTOLINK T10 POST Request cstecgi.cgi setWiFiRepeaterCfg buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-05330 TOTOLINK T10 POST Request cstecgi.cgi setWiFiMeshName buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-05329 TOTOLINK T10 POST Request cstecgi.cgi setWiFiAclRules buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-05328 TOTOLINK T10 POST Request cstecgi.cgi setUpgradeFW buffer overflow CVSS 4.0HIGH 8.7
See all 21 →

Sources