CVE-2026-4164 json
Wavlink WL-WN578W2 POST Request wireless.cgi GuestWifi command injection
published 2026-03-15 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-12204
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction
2.14% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_2/README.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 9.8 | 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 |
| CNA | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C |
| CNA | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C |
| CNA | 4.0 | 8.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Wavlink WL-WN578W2
Classification
References
-
dl.wavlink.com
/firmware/RD/WINSTAR_WN578W2-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin
patch
-
github.com
/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_2/README.md
exploit
-
vuldb.com
/?id.351071
vdb-entry, technical-description
-
vuldb.com
/?ctiid.351071
signature, permissions-required
-
vuldb.com
/?submit.768292
third-party-advisory
-
vuldb.com
/?submit.768293
third-party-advisory
-
vuldb.com
/?submit.768294
third-party-advisory
-
github.com
/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_1/README.md
related
Sources
- CVE List CVE-2026-4164
- NVD CVE-2026-4164
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.