CVE-2025-4730: TOTOLINK A3002R/A3002RU HTTP POST Request formMapDel buffer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-16 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. It has been rated as critical. Affected by this issue is some unknown functionality of the file /boafrm/formMapDel of the component HTTP POST Request Handler. The manipulation of the argument devicemac1 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

TOTOLINK A3002R: 3.0.0-b20230809.1615
TOTOLINK A3002RU: 3.0.0-b20230809.1615

References

https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/3.md
https://vuldb.com/?ctiid.309032
https://vuldb.com/?id.309032
https://vuldb.com/?submit.570687
https://www.totolink.net/

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