Critical severity · published May 13, 2025
CVE-2025-45863
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the macstr parameter in the formMapDelDevice interface
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the macstr parameter in the formMapDelDevice interface.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A3002r Firmware · Totolink
4.0.0-b20230531.1404 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-45863
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-45863
Exploit
https://github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/5/overflow.md
Product
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/258/ids/36.html
More from A3002r Firmware
9.8
CVE-2025-55591
TOTOLINK-A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection vulnerability in the devicemac parameter in the formMapDel endpoint
9.8
CVE-2025-45865
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the dnsaddr parameter in the formDhcpv6s interface
9.8
CVE-2025-45861
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the routername parameter in the formDnsv6 interface
9.8
CVE-2025-45858
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection vulnerability via the FUN_00459fdc function
9.8
CVE-2025-25579
TOTOLINK A3002R V4.0.0-B20230531.1404 is vulnerable to Command Injection in /bin/boa via bandstr