CVE-2024-54887: tl-wr940n Buffer Overflow (CVSS 8)

Description

TP-Link TL-WR940N V3 and V4 with firmware 3.16.9 and earlier contain a buffer overflow via the dnsserver1 and dnsserver2 parameters at /userRpm/Wan6to4TunnelCfgRpm.htm. This vulnerability allows an authenticated attacker to execute arbitrary code on the remote device in the context of the root user.

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CVSS v3.1 Score

8.0

HIGH

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
tp-link	tl-wr940n_firmware	< 3.16.9
tp-link	tl-wr940n	All
tp-link	tl-wr940n	All

References

Other References

http://tp-link.com https://github.com/JBince/vulnerability-research/tree/main/CVE-2024-54887

Frequently Asked Questions

What is CVE-2024-54887? +

TP-Link TL-WR940N V3 and V4 with firmware 3.16.9 and earlier contain a buffer overflow via the dnsserver1 and dnsserver2 parameters at /userRpm/Wan6to4TunnelCfgRpm.htm. This vulnerability allows an authenticated attacker to execute arbitrary code on the remote device in the context of the root user. It has a CVSS v3.1 base score of 8.0 (HIGH).

How severe is CVE-2024-54887? +

CVE-2024-54887 has a CVSS v3.1 score of 8.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-54887? +

CVE-2024-54887 affects products from tp-link, specifically: tl-wr940n, tl-wr940n_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-54887? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-54887