High severity · published Dec 9, 2020
CVE-2020-25499
TOTOLINK A3002RU-V2.0.0 B20190814.1034 allows authenticated remote users to modify the system's 'Run Command'
8.8
CVSS
4.2%
EPSS
No
On KEV
Description
TOTOLINK A3002RU-V2.0.0 B20190814.1034 allows authenticated remote users to modify the system's 'Run Command'. An attacker can use this functionality to execute arbitrary OS commands on the router.
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)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A3002r Firmware · Totolink
before 1.1.1-b20200824.0128 · source: NVD
AF
A3002ru-v1 Firmware · Totolink
before 3.4.0-b20201030.1754 · source: NVD
AF
A3002ru-v2 Firmware · Totolink
before 2.1.1-b20200911.1756 · source: NVD
AF
A702r-v2 Firmware · Totolink
before 1.0.0-b20201028.1743 · source: NVD
AF
A702r-v3 Firmware · Totolink
before 1.0.0-b20201103.1713 · source: NVD
NF
N100re-v3 Firmware · Totolink
before 3.4.0-b20201030.0926 · source: NVD
NF
N150rt Firmware · Totolink
before 3.4.0-b20201030.1142 · source: NVD
NF
N200re-v3 Firmware · Totolink
before 3.4.0-b20201029.1811 · source: NVD
NF
N200re-v4 Firmware · Totolink
before 4.0.0-b20200805.1507 · source: NVD
NF
N210re Firmware · Totolink
before 1.0.0-b20201030.2030 · source: NVD
NF
N300rh-v3 Firmware · Totolink
before 3.2.4-b20201029.1838 · source: NVD
NF
N300rt Firmware · Totolink
before 3.4.0-b20201026.2033 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25499
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25499
Exploit
https://github.com/kdoos/Vulnerabilities/blob/main/RCE_TOTOLINK-A3002RU-V2
Patch
https://www.totolink.net/home/index/newsss/id/196.html
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