High severity · published Jun 10, 2025
CVE-2025-5911
TOTOLINK EX1200T HTTP POST Request formDMZ buffer overflow
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
A vulnerability was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formDMZ 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)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
EX1200T · TOTOLINK
4.1.2cu.5232_B20210713 · source: vendor
EF
Ex1200t Firmware · Totolink
4.1.2cu.5232_b20210713 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-5911
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-5911
Exploit
https://github.com/byxs0x0/cve2/blob/main/7.md
Permissions Required
https://vuldb.com/?ctiid.311684
Third Party Advisory
https://vuldb.com/?id.311684
Third Party Advisory
https://vuldb.com/?submit.592272
Product
https://www.totolink.net/
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