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TI-2025-08737 Aliases CVE-2025-9533GHSA-43m2-5vcp-3fpm

TOTOLINK T10 formLoginAuth.htm improper authentication

Priority HIGH 70CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
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-287.

Summary

A vulnerability has been found in TOTOLINK T10 4.1.8cu.5241_B20210927. Affected is an unknown function of the file /formLoginAuth.htm. The manipulation of the argument authCode with the input 1 leads to improper authentication. The attack can be initiated 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 0.12213 96th 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
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
TOTOLINKT104.1.8cu.5241_B20210927—No fix listedCNA
  • T10 VendorTOTOLINK Affected 4.1.8cu.5241_B20210927 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:t10_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*4.1.8cu.5241_b20210927VulnerableTOTOLINK
cpe:2.3:h:totolink:t10:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:t10_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:* Versions 4.1.8cu.5241_b20210927 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-2025-9533
  2. 2026-10-03 Alias added: GHSA-43m2-5vcp-3fpm

References

Exploit 1

Other 1

  • TI-2024-07569 TOTOLINK T10 AC1200 Telnet Service product.ini hard-coded credentials CVSS 4.0CRITICAL 9.3
  • TI-2025-05548 TOTOLINK T10 HTTP POST Request cstecgi.cgi setWizardCfg buffer overflow CVSS 4.0HIGH 8.7
  • 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
See all 21 →

Sources

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