Vulnerability-Lookup

CVE-2026-8508 (GCVE-0-2026-8508)

Vulnerability from cvelistv5 – Published: 2026-08-04 01:57 – Updated: 2026-08-04 18:46

Summary

An improper authentication vulnerability in the "social_login.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-287 - Improper Authentication

Assigner

Zyxel

References

1 reference

URL	Tags
https://www.zyxel.com/global/en/support/security-…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Zyxel	WAX650S firmware	Affected: <= 7.10(ABRM.4)C0

Show details on NVD website

JSON

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GHSA-HQ2R-WHW2-GR82

Vulnerability from github – Published: 2026-08-04 03:31 – Updated: 2026-08-04 03:31

Details

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-8508"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-04T03:16:26Z",
    "severity": "MODERATE"
  },
  "details": "An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.",
  "id": "GHSA-hq2r-whw2-gr82",
  "modified": "2026-08-04T03:31:10Z",
  "published": "2026-08-04T03:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8508"
    },
    {
      "type": "WEB",
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-improper-authentication-vulnerabilities-in-certain-aps-fwa7-and-security-routers-08-04-2026"
    }
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      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-8508 (GCVE-0-2026-8508)

GHSA-HQ2R-WHW2-GR82

Tags

Sightings

Nomenclature