Cyber Resilience

CVE-2023-4746

HighPublic PoC

Published: 04 September 2023

Published
04 September 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0022 45.4th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-4746 is a high-severity Use of Externally-Controlled Format String (CWE-134) vulnerability in Totolink N200Re-V5 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 45.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

totolink
n200re-v5 firmware
9.3.5u.6437_b20230519

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References