CVE-2020-10826

CRITICALNVD 9.89.8—Elevated

9.8

/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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 96.7%
KEV: Not listed

Published

March 26, 2020

Last Modified

May 5, 2025

References (4)

cve@mitrehttps://slashd.ga/2020/03/draytek-vulnerabilities/
cve@mitrehttps://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability/
af854a3a-2127-422b-91ae-364da2661108https://slashd.ga/2020/03/draytek-vulnerabilities/
af854a3a-2127-422b-91ae-364da2661108https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 16× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 05:50 UTCEG score recompute
2026-05-27 05:50 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch

Frequently asked(5)

What is CVE-2020-10826?

CVE-2020-10826 is a critical vulnerability published on March 26, 2020. /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.

When was CVE-2020-10826 disclosed?

CVE-2020-10826 was first published in the National Vulnerability Database on March 26, 2020, with the most recent update on May 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-10826 actively exploited?

CVE-2020-10826 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2020-10826 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2020-10826?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-10826, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-10826

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-10826?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)