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High severity8.8NVD Advisory· Published May 17, 2025· Updated Jun 17, 2026

CVE-2025-4834

CVE-2025-4834

Description

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been classified as critical. Affected is an unknown function of the file /boafrm/formSetLg of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

8
  • Totolink/A702r Firmware
    cpe:2.3:o:totolink:a702r_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:*
  • Totolink/A3002r Firmware
    cpe:2.3:o:totolink:a3002r_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:*
  • Totolink/A3002ru Firmware
    cpe:2.3:o:totolink:a3002ru_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:*
  • Totolink/A702Rllm-fuzzy2 versions
    3.0.0-B20230809.1615+ 1 more
    • (no CPE)range: 3.0.0-B20230809.1615
    • (no CPE)range: 3.0.0-B20230809.1615
  • Totolink/A3002RUllm-fuzzy3 versions
    3.0.0-B20230809.1615+ 2 more
    • (no CPE)range: 3.0.0-B20230809.1615
    • (no CPE)range: 3.0.0-B20230809.1615
    • (no CPE)range: 3.0.0-B20230809.1615

Patches

Vulnerability mechanics

References

5

News mentions

0

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