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No exploitation reportedFix available

CVE-2020-25499

No exploitation reported by the sources we read.

  • Published2020-12-09
  • Fixed in1.1.1-b20200824.0128
  • WeaknessCWE-78 · CWE-862

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-12-0921:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-25499?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-25499?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Totolink a3002r firmwareversion to verify
BranchAffectedFixed in
1.1< 1.1.1-b20200824.01281.1.1-b20200824.0128
Totolink a3002ru-v1 firmwareversion to verify
BranchAffectedFixed in
3.4< 3.4.0-b20201030.17543.4.0-b20201030.1754
Totolink a3002ru-v2 firmwareversion to verify
BranchAffectedFixed in
2.1< 2.1.1-b20200911.17562.1.1-b20200911.1756

10 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Totolink a3002r firmware to 1.1.1-b20200824.0128

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.09read 2026-10-23
  • NVDweakness (CWE)CWE-78, CWE-862read 2026-10-23
  • FIRST EPSSEPSS score4.2 %2026-11-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2020-12-09
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-25499?

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.

Is CVE-2020-25499 actively exploited?

Active exploitation of CVE-2020-25499 has not been confirmed. Its EPSS score was 4.2% on 2026-11-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25499?

CVE-2020-25499 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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