High severity · published May 17, 2025
CVE-2025-4823
TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formReflashClientTbl submit-url buffer overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been rated as critical. Affected by this issue is the function submit-url of the file /boafrm/formReflashClientTbl of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A3
A3002R · TOTOLINK
3.0.0-B20230809.1615 · source: vendor
A3
A3002RU · TOTOLINK
3.0.0-B20230809.1615 · source: vendor
A7
A702R · TOTOLINK
3.0.0-B20230809.1615 · source: vendor
AF
A3002r Firmware · Totolink
3.0.0-b20230809.1615 · source: NVD
AF
A3002ru Firmware · Totolink
3.0.0-b20230809.1615 · source: NVD
AF
A702r Firmware · Totolink
3.0.0-b20230809.1615 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4823
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4823
Broken Link
https://github.com/CH13hh/tmp_store_cc/blob/main/toto/1.md
Permissions Required
https://vuldb.com/?ctiid.309284
Third Party Advisory
https://vuldb.com/?id.309284
Third Party Advisory
https://vuldb.com/?submit.574593
Product
https://www.totolink.net/
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