Critical severity · published Dec 15, 2025
CVE-2025-55895
TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control
9.1
CVSS
0.3%
EPSS
No
On KEV
Description
TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Attackers can send payloads to the interface without logging in (remote).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A3300r Firmware · Totolink
17.0.0cu.557_b20221024 · source: NVD
NF
N200re Firmware · Totolink
9.3.5u.6437_b20230519 · source: NVD
Affected product
AF
A3300r Firmware
Totolink
More from A3300r Firmware
9.8
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9.8
CVE-2026-31178
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9.8
CVE-2026-31181
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9.8
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9.8
CVE-2026-31170
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stun-pass parameter to /cgi-bin/cstecgi.cgi