CVE-2025-4733: TOTOLINK A3002R/A3002RU HTTP POST Request formIpQoS 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, which was classified as critical, has been found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. This issue affects some unknown processing of the file /boafrm/formIpQoS of the component HTTP POST Request Handler. The manipulation of the argument mac leads to buffer overflow. The attack may be initiated 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/7.md
https://vuldb.com/?ctiid.309035
https://vuldb.com/?id.309035
https://vuldb.com/?submit.570703
https://www.totolink.net/

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