Is CVE-2023-2676 actively exploited?

No active exploitation of CVE-2023-2676 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-2676 be exploited remotely?

Yes. CVE-2023-2676 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-2676?

CVE-2023-2676 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-2676

CWE-121Published: May 12, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability, which was classified as critical, has been found in H3C R160 V1004004. Affected by this issue is some unknown functionality of the file /goForm/aspForm. The manipulation of the argument go leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. VDB-228890 is the identifier assigned to this vulnerability.

NVD Source

Risk Analysis

This critical vulnerability in H3C R160 firmware allows for a stack-based buffer overflow via the goForm/aspForm file. With a CVSS score of 9.8, it represents a severe risk as it is remotely exploitable without authentication.

There is no known public exploit for this vulnerability, and it is not currently listed in the CISA KEV catalog.

Recommended Action

Users should check for and apply firmware updates provided by H3C to address the buffer overflow vulnerability.

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-2023-2676 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.