What’s Vulnerable › Vulnerabilities

CVE-2023-7220: Totolink NR1800X cstecgi.cgi loginAuth stack-based 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-121

Description

A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Totolink NR1800X: 9.1.0u.6279_b20210910

References

• https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.md
• https://vuldb.com/?ctiid.249854
• https://vuldb.com/?id.249854
• https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.md
• https://vuldb.com/?ctiid.249854
• https://vuldb.com/?id.249854

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