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TI-2021-19033 Aliases CVE-2021-42889GHSA-qhvc-q37m-4f22

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey…

Priority LOW 36CWE-306Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.

Summary

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey, wifiname, etc.) without authorization.

Why it matters now

EPSS 0.01447 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:ex1200t_firmware:4.1.2cu.5215:*:*:*:*:*:*:*4.1.2cu.5215VulnerableTOTOLINK
cpe:2.3:h:totolink:ex1200t:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:ex1200t_firmware:4.1.2cu.5215:*:*:*:*:*:*:* Versions 4.1.2cu.5215 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:ex1200t:-:*:*:*:*:*:*:* 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-2021-42889
  2. 2026-10-03 Alias added: GHSA-qhvc-q37m-4f22

References

Exploit 1

  • TI-2025-20695 TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command… CVSS 3.1CRITICAL 9.8
  • TI-2025-20694 TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command… CVSS 3.1CRITICAL 9.8
  • TI-2025-05040 TOTOLINK EX1200T cstecgi.cgi setLanguageCfg stack-based overflow CVSS 4.0CRITICAL 9.3
  • TI-2025-05966 TOTOLINK EX1200T HTTP POST Request formIpv6Setup buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-05794 TOTOLINK A702R/A3002R/A3002RU/EX1200T HTTP POST Request formIPv6Addr buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-05737 TOTOLINK EX1200T HTTP POST Request formTmultiAP buffer overflow CVSS 4.0HIGH 8.7
See all 36 →

Sources

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