CVE-2026-4164Wavlink WL-WN578W2 POST Request wireless.cgi GuestWifi command injection
Updated under an hour ago ()
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It affects Wavlink WL-WN578W2. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. It is recommended to upgrade the affected component.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-77, CWE-74
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Mar 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Wavlink WL-WN578W2 wavlink:wl-wn578w2_firmware | 221110 | CNA record |
References
- https://vuldb.com/?id.351071vdb-entry, technical-description
- https://vuldb.com/?ctiid.351071signature, permissions-required
- https://vuldb.com/?submit.768292third-party-advisory
- https://vuldb.com/?submit.768293third-party-advisory
- https://vuldb.com/?submit.768294third-party-advisory
- https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_1/README.mdrelated
- https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_2/README.mdexploit
- https://dl.wavlink.com/firmware/RD/WINSTAR_WN578W2-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.binpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.