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Description

A weakness has been identified in Tenda M3 1.0.0.13(4903). Impacted is the function formSetRemoteInternetLanInfo of the file /goform/setInternetLanInfo. This manipulation of the argument portIp/portMask/portGateWay/portDns/portSecDns causes heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

PUBLISHED Reserved 2025-12-29 | Published 2025-12-30 | Updated 2026-02-24 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Product status

1.0.0.13(4903)
affected

Timeline

2025-12-29:Advisory disclosed
2025-12-29:VulDB entry created
2025-12-30:VulDB entry last update

Credits

dwbruijn (VulDB User) reporter

References

vuldb.com/?id.338630 (VDB-338630 | Tenda M3 setInternetLanInfo formSetRemoteInternetLanInfo heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.338630 (VDB-338630 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.725496 (Submit #725496 | Tenda M3 V1.0.0.13(4903) Heap-based Buffer Overflow) third-party-advisory

github.com/...Es/blob/main/Tenda/setRemoteInternetLanInfo.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2025-15234)

nvd.nist.gov (CVE-2025-15234)

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