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CVE-2025-48839

An Out-of-bounds Write vulnerability [CWE-787] in FortiADC 8.0.0, 7.6.0 through 7.6.2, 7.4.0 through 7.4.7, 7.2 all versions, 7.1 all…

Medium6.3EPSS 0.38%
Published
Updated
Reserved
Assigned by
fortinet

Description

An Out-of-bounds Write vulnerability [CWE-787] in FortiADC 8.0.0, 7.6.0 through 7.6.2, 7.4.0 through 7.4.7, 7.2 all versions, 7.1 all versions, 7.0 all versions, 6.2 all versions may allow an authenticated attacker to execute arbitrary code via specially crafted HTTP requests.

Scores

CVSS scores of CVE-2025-48839, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1Medium6.3CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:C
NVDNVD · Analyzed3.1Medium6.6CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.38% · top 67% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.

Weakness

Affected products

  • Fortinet · FortiADC

    • affected 8.0.0
    • affected 7.6.0 – ≤ 7.6.2
    • affected 7.4.0 – ≤ 7.4.7
    • affected 7.2.0 – ≤ 7.2.8
    • affected 7.1.0 – ≤ 7.1.5
    • affected 7.0.0 – ≤ 7.0.6
    • affected 6.2.0 – ≤ 6.2.6

What to do

Solution: Upgrade to FortiADC version 8.0.1 or above Upgrade to FortiADC version 7.6.3 or above Upgrade to FortiADC version 7.4.8 or above

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .