Vulnerability · Published Jan 9, 2024 · Assigned by VulDB

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

Critical 9.8

In plain English

A critical-severity stack buffer overflow in NR1800X from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)1.5%top 25.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Totolink	NR1800X	9.1.0u.6279_B20210910

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://vuldb.com/?id.249854 vdb-entry, technical-description
https://vuldb.com/?ctiid.249854 signature, permissions-required
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.md broken-link, exploit