SWUpdate Untrusted Script Execution via Signed Update TOCTOU_CVE-2025-41259

7.3 / 10

HIGH

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Description

SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.

Basic Information

ID CVE-2025-41259

Source sba-research

Published Jun 3, 2026 at 11:01

Affected Product

Vendor sbabic

Product SWUpdate

Affected Versions sbabic SWUpdate 0

CWE Classification

CWE-367

References

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    "lastseen": "",
    "description": "SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.",
    "published": "2026-06-03T11:01:59.871Z",
    "modified": "2026-06-03T11:01:59.871Z",
    "type": "cve",
    "title": "SWUpdate Untrusted Script Execution via Signed Update TOCTOU",
    "source": "sba-research",
    "references": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251206-01_SWUpdate_Untrusted_Script_Execution_via_Signed_Update_TOCTOU\nhttps://github.com/sbabic/swupdate/commit/f4bd64260e233e207354d68d572b1cbc3e63689d\nhttps://github.com/sbabic/swupdate",
    "id": "CVE-2025-41259",
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    "sourceData": "sbabic SWUpdate 0",
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    "cvss": {
        "score": 7.3,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
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        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
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    "product": "SWUpdate",
    "version": "0",
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}