What’s Vulnerable › Vulnerabilities

CVE-2023-7221: Totolink T6 HTTP POST Request main buffer overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-01-09 · updated 2026-06-17
• Weakness: CWE-120

Description

A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. It has been classified as critical. This affects the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v41 leads to buffer overflow. 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-249855. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• TOTOLINK T6: 4.1.9cu.5241_b20210923

References

• https://github.com/jylsec/vuldb/blob/main/TOTOLINK/T6/1/README.md
• https://vuldb.com/?ctiid.249855
• https://vuldb.com/?id.249855
• https://github.com/jylsec/vuldb/blob/main/TOTOLINK/T6/1/README.md
• https://vuldb.com/?ctiid.249855
• https://vuldb.com/?id.249855

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