GHSA-QHJ4-89WW-FHP6

Vulnerability from github – Published: 2026-08-17 06:33 – Updated: 2026-08-17 06:33
VLAI
Details

A weakness has been identified in GL.iNet A1300, AX1800, AXT1800, BE1400, BE3600, BE6500, BE9300, BE10000, E5800, MT2500, MT3000, MT3600BE, MT5000, MT6000, X2000, X3000 and XE3000 up to 4.8.x. This affects an unknown part of the component Wi-Fi Timer Power-Schedule Feature. Executing a manipulation of the argument switch_power/restore_power can lead to os command injection. The attack can be launched remotely. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

Severity
7.4 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
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{
  "affected": [],
  "aliases": [
    "CVE-2026-19981"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-17T04:16:56Z",
    "severity": "MODERATE"
  },
  "details": "A weakness has been identified in GL.iNet A1300, AX1800, AXT1800, BE1400, BE3600, BE6500, BE9300, BE10000, E5800, MT2500, MT3000, MT3600BE, MT5000, MT6000, X2000, X3000 and XE3000 up to 4.8.x. This affects an unknown part of the component Wi-Fi Timer Power-Schedule Feature. Executing a manipulation of the argument switch_power/restore_power can lead to os command injection. The attack can be launched remotely. The vendor explains: \"After our investigation, we have confirmed that the vulnerability described (...) does indeed exist.\"",
  "id": "GHSA-qhj4-89ww-fhp6",
  "modified": "2026-08-17T06:33:55Z",
  "published": "2026-08-17T06:33:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19981"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Wi-Fi%20Timer%20Power-Schedule%20Cron%20RCE.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19981"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/873917"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/391163"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/391163/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/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",
      "type": "CVSS_V4"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.



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