Cyber Resilience

CVE-2023-46421

CriticalPublic PoCRCE

Published: 25 October 2023

Published
25 October 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0505 90.0th percentile
Risk Priority 23 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-46421 is a critical-severity Command Injection (CWE-77) vulnerability in Totolink X6000R Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 10.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

TOTOLINK X6000R routers running firmware version v9.4.0cu.652_B20230116 contain a remote command execution vulnerability in the sub_411D00 function, tracked as CVE-2023-46421 and assigned CWE-77 for improper neutralization of special elements used in a command. The flaw carries a CVSS 3.1 base score of 9.8, reflecting network attack vector, low complexity, and no required authentication or user interaction.

An attacker with network access can supply crafted input that reaches the affected function and executes arbitrary operating-system commands, resulting in full control over device confidentiality, integrity, and availability.

The listed references include a GitHub technical write-up and the vendor firmware download page; no explicit mitigation statements or patch details appear in the supplied information. The associated EPSS score has remained flat at 0.0505 with no material rise after disclosure.

EU & UK References

Vulnerability details

TOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_411D00 function.

CWE(s)

Related Threats

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

Affected Assets

totolink
x6000r firmware
9.4.0cu.652_b20230116

Mitigating Controls

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

References