CVE-2026-18607

A security vulnerability has been detected in Wavlink WN572, WN570H, WN573, WN529, WN530, WN531, WN535, etc. WN529, WN530, WN531, WN535, WN536, WN551, WN557 and NU516 up to 20260609. Affected by this issue is the function strcpy of the file upload.cgi of the component lighttpd. The manipulation of the argument HTTP_COOKIE leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/0xcc12138/WAVLINK-vul
https://vuldb.com/cve/CVE-2026-18607
https://vuldb.com/submit/852637
https://vuldb.com/vuln/385530
https://vuldb.com/vuln/385530/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-03 17:16

Updated : 2026-08-12 21:00

NVD link : CVE-2026-18607

Mitre link : CVE-2026-18607

CVE.ORG link : CVE-2026-18607

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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[{"cpes": ["cpe:2.3:a:wavlink:wn572:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN572", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn570h:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN570H", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn573:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN573", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn529:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN529", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn530:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN530", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn531:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN531", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn535:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN535", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:etc._wn529:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "etc. WN529", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn530:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN530", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn531:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN531", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn535:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN535", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn536:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN536", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn551:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN551", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:wn557:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "WN557", "versions": [{"status": "affected", "version": "20260609"}]}, {"cpes": ["cpe:2.3:a:wavlink:nu516:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["lighttpd"], "product": "NU516", "versions": [{"status": "affected", "version": "20260609"}]}]}], "published": "2026-08-03T17:16:35.913", "references": [{"url": "https://github.com/0xcc12138/WAVLINK-vul", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/cve/CVE-2026-18607", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/852637", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/385530", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/385530/cti", "source": "cna@vuldb.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in Wavlink WN572, WN570H, WN573, WN529, WN530, WN531, WN535, etc. WN529, WN530, WN531, WN535, WN536, WN551, WN557 and NU516 up to 20260609. Affected by this issue is the function strcpy of the file upload.cgi of the component lighttpd. The manipulation of the argument HTTP_COOKIE leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used."}], "lastModified": "2026-08-12T21:00:37.147", "sourceIdentifier": "cna@vuldb.com"}