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CVE-2024-41588

HIGH
8
CVSS Score
Published: October 3, 2024 at 12:00 AM UTC
Updated: June 17, 2026 at 07:47 AM UTC
48 products affected across 1 vendorVigor3910VIGOR2962 FirmwareVIGOR2925 Firmware

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Severity
HIGH8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

The CGI endpoints v2x00.cgi and cgiwcg.cgi of DrayTek Vigor3910 devices through 4.3.2.6 are vulnerable to buffer overflows, by authenticated users, because of missing bounds checking on parameters passed through POST requests to the strncpy function.

Affected

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

VIGOR1000B Firmware· Draytek
95%
v < 4.3.2.84.4.0.0 ≤ v < 4.4.3.1
Affected range stops below 4.3.2.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.3.1, so it looks safe — our inference, not a vendor statement
draytek-vigor1000b (same device)
VIGOR165 Firmware· Draytek
95%
v < 4.2.7
Affected range stops below 4.2.7, so it looks safe — our inference, not a vendor statement
draytek-vigor165 (same device)
VIGOR166 Firmware· Draytek
95%
v < 4.2.7
Affected range stops below 4.2.7, so it looks safe — our inference, not a vendor statement
draytek-vigor166 (same device)
VIGOR2133 Firmware· Draytek
95%
All versions
draytek-vigor2133 (same device)
VIGOR2135 Firmware· Draytek
95%
v < 4.4.5.3
Affected range stops below 4.4.5.3, so it looks safe — our inference, not a vendor statement
draytek-vigor-2135 (same device)
VIGOR2620 Firmware· Draytek
95%
All versions
VIGOR2762 Firmware· Draytek
95%
All versions
draytek-vigor2762 (same device)
VIGOR2763 Firmware· Draytek
95%
v < 4.4.5.3
Affected range stops below 4.4.5.3, so it looks safe — our inference, not a vendor statement
draytek-vigor2763 (same device)
VIGOR2765 Firmware· Draytek
95%
v < 4.4.5.3
Affected range stops below 4.4.5.3, so it looks safe — our inference, not a vendor statement
draytek-vigor-2765 (same device)
VIGOR2766 Firmware· Draytek
95%
v < 4.4.5.3
Affected range stops below 4.4.5.3, so it looks safe — our inference, not a vendor statement
draytek-vigor-2766 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

MitigationTechnical DescriptionThird Party Advisory
Source: [email protected]
https://www.forescout.com/resources/draybreak-draytek-research/
Broken Link
Source: [email protected]
https://www.forescout.com/resources/draytek14-vulnerabilities

SSVC — Action Prioritization

SSVCNo known exploitNot 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-120

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