HOMEVULNERABILITIESCVE-2026-7691
MEDIUM

CVE-2026-7691

CWE-74Published: May 3, 2026· Updated: May 7, 2026

6.3
CVSS v3.1
EPSS:1.06%probability of exploitation in 30 daysPercentile:77.7th

Official Description

A security vulnerability has been detected in Wavlink WL-WN570HA1 R70HA1 V1410_221110. Impacted is the function set_sys_cmd of the file /cgi-bin/adm.cgi. Such manipulation of the argument command leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Once again the vendors acted very professional and confirms, "that the WN570HA1 firmware version R70HA1 V1410_221110 has been removed from our website." This vulnerability only affects products that are no longer supported by the maintainer.

NVD Source

Technical Analysis

CVE-2026-7691 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

wavlink2 products
wl-wn570ha1 firmwarewl-wn570ha1
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://lavender-bicycle-a5a.notion.site/Wavlink-WN570HA1-set_sys_cmd-34753a41781f80ab88a1d95d4f798d1f?source=copy_link
ADVISORYhttps://vuldb.com/submit/807806
ADVISORYhttps://vuldb.com/vuln/360861

All References (4)

→
https://lavender-bicycle-a5a.notion.site/Wavlink-WN570HA1-set_sys_cmd-34753a41781f80ab88a1d95d4f798d1f?source=copy_linkExploit · Third Party Advisory
→
https://vuldb.com/submit/807806Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/360861Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/360861/ctiPermissions Required · VDB Entry

Quick Facts

CVE IDCVE-2026-7691
CVSS Score6.3 / 10
SeverityMEDIUM
WeaknessCWE-74
CISA KEVNo
EPSS (30d)1.06%
Affected1 vendor
PublishedMay 3, 2026

Related CVEs (CWE-74)

CVE-2026-5334
9.8
CVE-2026-5018
9.8
CVE-2026-34041
9.8
CVE-2026-5017
9.8
CVE-2026-5035
9.8
CVE-2026-5333
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-7691 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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