PT-2025-21783 · Totolink · Totolink A702R+1

Ch13Hh

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Published

2025-05-17

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Updated

2025-05-22

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CVE-2025-4823

CVSS v2.0

9.0

High

VectorAV:N/AC:L/Au:S/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions: TOTOLINK A702R, A3002R and A3002RU version 3.0.0-B20230809.1615
Description: A critical issue affects the submit-url function of the file /boafrm/formReflashClientTbl in the HTTP POST Request Handler component, leading to a buffer overflow. This can be exploited remotely. The exploit has been publicly disclosed and may be used.
Recommendations: For TOTOLINK A702R, A3002R and A3002RU version 3.0.0-B20230809.1615, consider disabling the submit-url function of the /boafrm/formReflashClientTbl file in the HTTP POST Request Handler component as a temporary workaround until a patch is available. Restrict access to the vulnerable component to minimize the risk of exploitation. Avoid using the submit-url function in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

Related Identifiers

BDU:2025-05836
CVE-2025-4823

Affected Products

Totolink A3002Ru
Totolink A702R