TI-2024-06677 Aliases CVE-2024-7212 GHSA-6ffh-c35q-fwcj

TOTOLINK A7000R cstecgi.cgi loginauth buffer overflow

HIGH 73CWE-120Published 2024-07-30 · Updated 2024-08-01

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-120 and the CVSS impact.

Summary

A vulnerability, which was classified as critical, has been found in TOTOLINK A7000R 9.1.0u.6268_B20220504. This issue affects the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272783. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01019 63rd 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: 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

Vendor	Product	Affected versions	Fixed in	Status	Source
TOTOLINK	A7000R	9.1.0u.6268_B20220504	—	No fix listed	CNA

A7000R VendorTOTOLINK Affected 9.1.0u.6268_B20220504 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:totolink:a7000r_firmware:9.1.0u.6268_b20220504:::::::*	9.1.0u.6268_b20220504	Vulnerable	TOTOLINK
cpe:2.3:h:totolink:a7000r:-:::::::*	not specified by NVD	Running on	TOTOLINK

cpe:2.3:o:totolink:a7000r_firmware:9.1.0u.6268_b20220504:*:*:*:*:*:*:* Versions 9.1.0u.6268_b20220504 Vulnerable ·TOTOLINK
cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TOTOLINK

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-7212
2026-10-03 Alias added: GHSA-6ffh-c35q-fwcj

References

Exploit 1

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A7000R/loginauth_password.md

TI-2024-18932 Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R… CVSS 3.1CRITICAL 9.8
TI-2023-26994 TOTOLink A7000R V9.1.0u.6115_B20201022 has a stack overflow vulnerability via setOpModeCfg. CVSS 3.1CRITICAL 9.8
TI-2024-06678 TOTOLINK A7000R cstecgi.cgi setWizardCfg buffer overflow CVSS 4.0HIGH 8.7
TI-2025-39335 Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the… CVSS 3.1HIGH 7.5
TI-2025-39334 Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the… CVSS 3.1HIGH 7.5
TI-2025-39333 Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the… CVSS 3.1HIGH 7.5

See all 34 →

Sources

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