CVE-2020-25499
HIGH
8.8
CVSS Score
Published: December 9, 2020 at 08:30 PM UTC
Updated: June 17, 2026 at 03:06 AM UTC
26 products affected across 1 vendorA3002R FirmwareN150RT FirmwareN300RT Firmware
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Severity
HIGH8.8
Exploit prediction
EPSS 4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.1.1-b20200824.0128
Affected range stops below 1.1.1-b20200824.0128, so it looks safe — our inference, not a vendor statement
v < 3.4.0-b20201030.1754
Affected range stops below 3.4.0-b20201030.1754, so it looks safe — our inference, not a vendor statement
totolink-a3002ru-v1 (same device)
v < 2.1.1-b20200911.1756
Affected range stops below 2.1.1-b20200911.1756, so it looks safe — our inference, not a vendor statement
totolink-a3002ru-v2 (same device)
v < 1.0.0-b20201028.1743
Affected range stops below 1.0.0-b20201028.1743, so it looks safe — our inference, not a vendor statement
totolink-a702r-v2 (same device)
v < 1.0.0-b20201103.1713
Affected range stops below 1.0.0-b20201103.1713, so it looks safe — our inference, not a vendor statement
totolink-a702r-v3 (same device)
v < 3.4.0-b20201030.0926
Affected range stops below 3.4.0-b20201030.0926, so it looks safe — our inference, not a vendor statement
totolink-n100re-v3 (same device)
v < 3.4.0-b20201030.1142
Affected range stops below 3.4.0-b20201030.1142, so it looks safe — our inference, not a vendor statement
totolink-n150rt (same device)
v < 3.4.0-b20201029.1811
Affected range stops below 3.4.0-b20201029.1811, so it looks safe — our inference, not a vendor statement
totolink-n200re-v3 (same device)
v < 4.0.0-b20200805.1507
Affected range stops below 4.0.0-b20200805.1507, so it looks safe — our inference, not a vendor statement
totolink-n200re-v4 (same device)
v < 1.0.0-b20201030.2030
Affected range stops below 1.0.0-b20201030.2030, so it looks safe — our inference, not a vendor statement
totolink-n210re (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/kdoos/Vulnerabilities/blob/main/RCE_TOTOLINK-A3002RU-V2x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://www.totolink.net/home/index/newsss/id/196.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78CWE-862
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