Medium severity · published Apr 21, 2026
CVE-2026-6058
** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent…
5.7
CVSS
0.2%
EPSS
No
On KEV
Description
** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the WLAN to cause a denial-of-service (DoS) condition in the web management interface by convincing an authenticated administrator to visit the “AP Select” page while a malformed SSID is present.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WV
WRE6505 v2 firmware · Zyxel
V1.00(ABDV.3)C0 · source: vendor
WF
Wre6505 Firmware · Zyxel
v1.00(abdv.3)c0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6058
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6058
Product
https://www.zyxel.com/global/en/support/end-of-life
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