Is CVE-2023-0782 actively exploited?

No active exploitation of CVE-2023-0782 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-0782 be exploited remotely?

Yes. CVE-2023-0782 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-0782?

CVE-2023-0782 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-0782

CWE-787Published: February 11, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Affected by this issue is the function formSetSysToolDDNS/formGetSysToolDDNS of the file /bin/httpd. The manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-220640.

NVD Source

Risk Analysis

Tenda AC23 firmware is susceptible to an out-of-bounds write vulnerability within the HTTP daemon. This critical flaw can be triggered remotely and carries a 9.8 CVSS score, posing a significant risk of system compromise.

There is no known public exploit for this vulnerability, and it is not in KEV. The flaw is remotely exploitable with low complexity.

Recommended Action

Users should update the Tenda AC23 firmware to the latest available version to address the vulnerability in the httpd service.

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-2023-0782 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.