Is CVE-2023-46556 actively exploited?

No active exploitation of CVE-2023-46556 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-46556 be exploited remotely?

Yes. CVE-2023-46556 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-46556?

CVE-2023-46556 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-46556

CRITICAL

CVE-2023-46556

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 formFilter.

NVD Source

Risk Analysis

The TOTOLINK X2000R firmware is vulnerable to a stack-based buffer overflow in the formFilter function. This critical flaw allows for remote code execution by unauthenticated attackers.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Apply the latest firmware updates from TOTOLINK. Restrict administrative access to the device.

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-2023-46556 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.