CVE-2024-43027

HIGH

CVSS Score

Published: August 21, 2024 at 12:00 AM UTC

Updated: June 17, 2026 at 07:50 AM UTC

6 products affected across 1 vendorVIGOR3900 FirmwareVIGOR2960 FirmwareVIGOR300B Firmware

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Severity

HIGH8

Exploit prediction

EPSS 1%

SSVC

PoC

Description

DrayTek Vigor 3900 before v1.5.1.5_Beta, DrayTek Vigor 2960 before v1.5.1.5_Beta and DrayTek Vigor 300B before v1.5.1.5_Beta were discovered to contain a command injection vulnerability via the action parameter at cgi-bin/mainfunction.cgi.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

VIGOR2960 Firmware · Draytek

95%

v < 1.5.1.5v < 1.5.1.5_Beta

Affected range stops below 1.5.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.5.1.5_Beta, so it looks safe — our inference, not a vendor statement

draytek-vigor2960 (same device)

VIGOR300B Firmware · Draytek

95%

v < 1.5.1.5v < 1.5.1.5_Beta

Affected range stops below 1.5.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.5.1.5_Beta, so it looks safe — our inference, not a vendor statement

VIGOR3900 Firmware · Draytek

95%

v < 1.5.1.5v < 1.5.1.5_Beta

Affected range stops below 1.5.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.5.1.5_Beta, so it looks safe — our inference, not a vendor statement

Vigor300B · Draytek

90%

v < 1.5.1.5v < 1.5.1.5_Beta

Affected range stops below 1.5.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.5.1.5_Beta, so it looks safe — our inference, not a vendor statement

Vigor2960 · Draytekdevice

80%

All versions

Vigor3900 · Draytekdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitThird Party Advisory

Source: [email protected]

https://github.com/N1nEmAn/wp/blob/main/V3900.md

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGHCISA-ADP

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-77

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