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CVE Vulnerability Details :
CVE-2026-2567
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-16 Feb, 2026 | 17:32
Updated At-16 Feb, 2026 | 17:32
Rejected At-
▼CVE Numbering Authority (CNA)
Wavlink WL-NU516U1 nas.cgi sub_401218 stack-based overflow

A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Performing a manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Affected Products
Vendor
WAVLINK Technology Ltd.Wavlink
Product
WL-NU516U1
Versions
Affected
  • 20251208
Problem Types
TypeCWE IDDescription
CWECWE-121Stack-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-121
Description: Stack-based Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.08.6HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
3.07.2HIGH
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
2.08.3N/A
AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 3.0
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 2.0
Base score: 8.3
Base severity: N/A
Vector:
AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
haimianbaobao (VulDB User)
Timeline
EventDate
Advisory disclosed2026-02-15 00:00:00
VulDB entry created2026-02-15 01:00:00
VulDB entry last update2026-02-15 20:45:18
Event: Advisory disclosed
Date: 2026-02-15 00:00:00
Event: VulDB entry created
Date: 2026-02-15 01:00:00
Event: VulDB entry last update
Date: 2026-02-15 20:45:18
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.346174
vdb-entry
technical-description
https://vuldb.com/?ctiid.346174
signature
permissions-required
https://vuldb.com/?submit.752016
third-party-advisory
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/nas.cgi_User1Passwd.md
exploit
Hyperlink: https://vuldb.com/?id.346174
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.346174
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.752016
Resource:
third-party-advisory
Hyperlink: https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/nas.cgi_User1Passwd.md
Resource:
exploit
Details not found