CVE-2026-129451DrayTek Vigor2960 Path Traversal
NVD
Vulnerability Summary
A flaw has been found in DrayTek Vigor2960 up to 1.5.1.6. This affects the function app_guest_export of the file /cgi-bin/mainfunction.cgi. This manipulation of the argument filename causes path traversal. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 1.5.1.7 is able to mitigate this issue. The affected component should be upgraded. The vendor recommends: "1.5.1.6 isn't the latest version of 2960, the latest version fixes many security issues. And we have another one in our release plan which should solve the issues reported."
CVSS v4.0 Base Metrics — Score 9.4 (CRITICAL)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:PAttack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)High
Integrity (Subsequent System)High
Availability (Subsequent System)High
Show CVSS v3.x metrics (score 9.9)
CVSS v3.1 Base Metrics — Score 9.9 (CRITICAL)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:CAttack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Affected & Patched Versions
- DrayTek Vigor2960 1.5.1.0
- DrayTek Vigor2960 1.5.1.1
- DrayTek Vigor2960 1.5.1.2
- DrayTek Vigor2960 1.5.1.3
- DrayTek Vigor2960 1.5.1.4
- DrayTek Vigor2960 1.5.1.5
- DrayTek Vigor2960 1.5.1.6
No patched version published yet
Until a fix ships, reduce exposure:
- Restrict access to the affected service or interface to trusted networks.
- Disable the affected feature if you do not need it.
- Watch the vendor advisory for a firmware or software update.
What to do
Prioritize this fix. Exploit code is public, so attacks can follow quickly.
- Check whether you run DrayTek Vigor2960 and which version.
- No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
- Subscribe to the vendor advisory so you learn when a fix ships.
- Review logs and exposed services for signs of earlier compromise.
Timeline
- Nov 15, 2026Published
- Nov 15, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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External References
- Advisoryhttps://vuldb.com/vuln/437462
- Advisoryhttps://vuldb.com/vuln/437462/cti
- Advisoryhttps://vuldb.com/cve/CVE-2026-129451
- Advisoryhttps://vuldb.com/submit/1044961
- Exploithttps://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0017-authenticated-app-guest-export-path-traversal-write-delete
- Patchhttps://fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zip
Data last checked: Nov 15, 2026 13:11 UTC