Is CVE-2022-36587 actively exploited?

No active exploitation of CVE-2022-36587 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-36587 be exploited remotely?

Yes. CVE-2022-36587 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-36587?

CVE-2022-36587 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-36587

CWE-120Published: September 7, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by sprintf in function in the httpd binary.

NVD Source

Risk Analysis

Tenda G3 routers are vulnerable to a buffer overflow in the httpd binary due to improper use of the sprintf function. This critical flaw allows for remote code execution, posing a significant security risk.

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

Recommended Action

Update the Tenda G3 firmware to the latest version to resolve this 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-2022-36587 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.