Vulnerability · Published Sep 4, 2023 · Assigned by VulDB

CVE-2023-4746TOTOLINK N200RE V5 Validity_check format string

High 8.8

In plain English

A high-severity security flaw in N200RE V5 from TOTOLINK. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)3.7%top 10.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical has been found in TOTOLINK N200RE V5 9.3.5u.6437_B20230519. This affects the function Validity_check. The manipulation leads to format string. It is possible to initiate the attack remotely. The root-cause of the vulnerability is a format string issue. But the impact is to bypass the validation which leads to to OS command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-238635.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	N200RE V5	9.3.5u.6437_B20230519

Weakness: CWE-134 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://vuldb.com/?id.238635 vdb-entry, technical-description
https://vuldb.com/?ctiid.238635 signature, permissions-required
https://gist.github.com/dmknght/8f3b6aa65e9d08f45b5236c6e9ab8d80 exploit