What’s Vulnerable › Vulnerabilities

CVE-2025-6151: TP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflow

• Severity: high (CVSS 8.2 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-17 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

• TP-Link TL-WR940N: all versions

References

• https://github.com/WhereisDoujo/CVE/issues/7
• https://vuldb.com/?ctiid.312626
• https://vuldb.com/?id.312626
• https://vuldb.com/?submit.593031
• https://www.tp-link.com/us/support/faq/4536/
• https://github.com/WhereisDoujo/CVE/issues/7

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