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CVE-2024-4165: Tenda G3 modifyDhcpRule stack-based overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-25 · updated 2026-06-17
• Weakness: CWE-121

Description

A vulnerability, which was classified as critical, was found in Tenda G3 15.11.0.17(9502). Affected is the function modifyDhcpRule of the file /goform/modifyDhcpRule. The manipulation of the argument bindDhcpIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-261984. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Tenda G3: 15.11.0.17(9502)_cn

References

• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/G3/G3V15/modifyDhcpRule.md
• https://vuldb.com/?ctiid.261984
• https://vuldb.com/?id.261984
• https://vuldb.com/?submit.318589
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/G3/G3V15/modifyDhcpRule.md
• https://vuldb.com/?ctiid.261984
• https://vuldb.com/?id.261984
• https://vuldb.com/?submit.318589

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