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TI-2023-06607 Aliases CVE-2023-7223GHSA-5fw3-xj86-w3c3

Totolink T6 cstecgi.cgi access control

Priority LOW 30CWE-284Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

A vulnerability classified as problematic has been found in Totolink T6 4.1.9cu.5241_B20210923. This affects an unknown part of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument topicurl with the input showSyslog leads to improper access controls. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249867. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00644 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged 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
None
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
TOTOLINKT64.1.9cu.5241_B20210923—No fix listedCNA
  • T6 VendorTOTOLINK Affected 4.1.9cu.5241_B20210923 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:totolink:t6_firmware:4.1.9cu.5241_b20210923:*:*:*:*:*:*:*4.1.9cu.5241_b20210923VulnerableTOTOLINK
cpe:2.3:h:totolink:t6:-:*:*:*:*:*:*:*not specified by NVDRunning onTOTOLINK
  • cpe:2.3:o:totolink:t6_firmware:4.1.9cu.5241_b20210923:*:*:*:*:*:*:* Versions 4.1.9cu.5241_b20210923 Vulnerable ·TOTOLINK
  • cpe:2.3:h:totolink:t6:-:*:*:*:*:*:*:* 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-2023-7223
  2. 2026-10-03 Alias added: GHSA-5fw3-xj86-w3c3
  3. 2026-10-21 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • TI-2023-06605 Totolink T6 HTTP POST Request main buffer overflow CVSS 3.1CRITICAL 9.8
  • TI-2025-07237 TOTOLINK T6 MQTT Service updateWifiInfo buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-07236 TOTOLINK T6 MQTT Service recvSlaveUpgstatus buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-07083 TOTOLINK T6 HTTP POST Request cstecgi.cgi setDiagnosisCfg buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-06798 TOTOLINK T6 HTTP POST Request cstecgi.cgi setWiFiAclRules buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-06289 TOTOLINK T6 formLoginAuth.htm Form_Login missing authentication CVSS 4.0HIGH 8.7
See all 38 →

Sources

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