CVE-2020-10826
CRITICAL
9.8
CVSS Score
Published: March 26, 2020 at 04:05 PM UTC
Updated: June 17, 2026 at 02:48 AM UTC
6 products affected across 1 vendorVIGOR3900 FirmwareVIGOR2960 FirmwareVIGOR300B Firmware
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Severity
CRITICAL9.8
Exploit prediction
EPSS 39%
SSVC
PoC
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.5.1
Affected range stops below 1.5.1, so it looks safe — our inference, not a vendor statement
draytek-vigor2960 (same device)
v < 1.5.1
Affected range stops below 1.5.1, so it looks safe — our inference, not a vendor statement
v < 1.5.1
Affected range stops below 1.5.1, so it looks safe — our inference, not a vendor statement
v < 1.5.1
Affected range stops below 1.5.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://slashd.ga/2020/03/draytek-vulnerabilities/x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability/SSVC — Action Prioritization
SSVCPoCAutomatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
9.8CRITICALCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-77
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