CVE-2020-25499

8.8 HIGH 4% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 4.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-12-09 21:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:06 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.2% in the next 30 days (EPSS).
Severity: 8.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-12-09 21:15 UTC
Last modified: 2026-06-17 03:06 UTC
Exploit probability: 4.2% · EPSS, next 30 days
Weakness: CWE-78 · OS command injection
Record status: Modified

Affected

Totolink a3002r Firmware < 1.1.1-b20200824.0128
Totolink a3002ru-v1 Firmware < 3.4.0-b20201030.1754
Totolink a3002ru-v2 Firmware < 2.1.1-b20200911.1756
Totolink a702r-v2 Firmware < 1.0.0-b20201028.1743
Totolink a702r-v3 Firmware < 1.0.0-b20201103.1713
Totolink n100re-v3 Firmware < 3.4.0-b20201030.0926
Totolink n150rt Firmware < 3.4.0-b20201030.1142
Totolink n200re-v3 Firmware < 3.4.0-b20201029.1811

Attack profile CVSS 3.1 · 8.8

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2020-25499.md and follow it. Check whether this project is affected by CVE-2020-25499. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record