Is CVE-2023-46557 actively exploited?

No active exploitation of CVE-2023-46557 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-46557 be exploited remotely?

Yes. CVE-2023-46557 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-46557?

CVE-2023-46557 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-46557

CRITICAL

CVE-2023-46557

CWE-787Published: October 25, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formMultiAPVLAN.

NVD Source

Risk Analysis

A stack-based buffer overflow in the formMultiAPVLAN function of the TOTOLINK X2000R firmware poses a critical security risk. Unauthenticated remote attackers could exploit this to execute arbitrary code.

There is no known public exploit, and the issue is not in the CISA KEV. It is remotely exploitable with low complexity.

Recommended Action

Update the device firmware to the latest version. Ensure the device is not accessible from the public internet.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-46557 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.