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Exploitation reportedNot in CISA KEV yetFix available

CVE-2020-10826

Exploitation reported by one source. First attested on 2024-10-12 by GCVE · shadowserver.

  • Published2020-03-26
  • Fixed in1.5.1
  • WeaknessCWE-77

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

/cgi-bin/activate.cgi on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve command injection via a remote HTTP request in DEBUG mode.

Timeline

dates in UTC
  1. 2020-03-2617:15CVE publishedNVD
  2. 2024-10-1207:52Listed as exploited by GCVEGCVE
  3. 2024-10-1207:52Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 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-2020-10826?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-10826?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Draytek vigor2960 firmwareversion to verify
BranchAffectedFixed in
1.5< 1.5.11.5.1
Draytek vigor300b firmwareversion to verify
BranchAffectedFixed in
1.5< 1.5.11.5.1
Draytek vigor3900 firmwareversion to verify
BranchAffectedFixed in
1.5< 1.5.11.5.1

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

Fix

  1. Update Draytek vigor2960 firmware to 1.5.1

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

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-03-26
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-8g46-9c84-98vh

Frequently asked questions

What is CVE-2020-10826?

/cgi-bin/activate.cgi on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve command injection via a remote HTTP request in DEBUG mode.

Is CVE-2020-10826 actively exploited?

A proof-of-concept exploit exists for CVE-2020-10826, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2020-10826?

CVE-2020-10826 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record