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VULNERABILITIES

CVE-2022-0650 Details

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13993.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.zerodayinitiative.com/advisories/ZDI-22-407/ CVEThird Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-407/ [email protected]Third Party AdvisoryVDB Entry

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]
CWE-121Stack-based Buffer Overflow[email protected]

Affected Products

ProductVersions
tp-link tl-wr940n firmware
< 211111

CPE

  • cpe:2.3:o:tp-link:tl-wr940n_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
tp-link tl-wr940n
All versions

CPE

  • cpe:2.3:h:tp-link:tl-wr940n:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2022-0650
NVD Published Date:
Mar 28, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2022-0650 Details - Not Deferred