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CVE-2025-52970

INDEX BUILT · 2026-10-03KEV AND EPSS READ 2026-10-18

The record is as the index held it on 2026-10-03. The KEV listing and the EPSS score were read on 2026-10-18, and a value that moved since the build is dated to that read. Changes between those two dates are not all shown.

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A improper handling of parameters in Fortinet FortiWeb versions 7.6.3 and below, versions 7.4.7 and below, versions 7.2.10 and below, and 7.0.10 and…

CVE-2025-529704 of 4 sources documented this
44

rank 44 = 17 + 19 + 3 + 5 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.10084  ·  without this subject the record ranks 27

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.7, from the CNA  ·  without this subject the record ranks 25

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2025-12-19  ·  without this subject the record ranks 41

How much of the world it touches

NVD CPE configurations

4 products in the CPE ranges  ·  without this subject the record ranks 39

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 44

Hindsight · the state

0.10084EPSSNOT IN KEVas of 2026-10-18
Severity7.7 HIGHreceipt
Harmtotal loss · unauthenticatedreceipt
Exploitationpublic proof-of-conceptreceipt
Defenseunaffected versions publishedreceipt
Movementthreshold crossedreceipt
PLATEAU10Minimal movement since 2026-06-15, 125 days at 0.10, as of 2026-10-18. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

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Harm, if it fires from the vector and the weakness

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Reachnetwork-reachable · no privileges required · no user interaction · high attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v3.1 · the CNA's vectorreceipt
Weakness classCWE-233 Improper Handling of Parametersreceipt
Published consequencesCWE-233: Integrity: Unexpected Statecwe-consequences@4.20

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

First unaffected version, by branchfortiweb 7.0.11; fortiweb 7.2.11; fortiweb 7.4.8; fortiweb 7.6.4receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.
BOD 26-04 deadlineIf the system is reachable from the internet: 14 days. If not: fix at the next system upgrade.derived
Show full BOD 26-04 deadline

CISA has not scored it, so the directive's own defaults apply: automatable no, technical impact total. Calendar days from the KEV listing or from when you find it on a system, whichever is first. Federal agencies are bound from 7 Dec 2026, and contracts often carry it to suppliers. The directive and its table

Exploit Status & Known PoCs a ladder, not a score

Current rung: Proof-of-concept published · 2 public repositories, 2025-08-23.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published · 2 public repositories2025-08-23receipt
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA7.7 HIGHreceipt
Exploit probability0.10084 · top 5% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned byfortinetreceipt
Recorded changes30 · last 18 Oct 2026derived

Affected & Fixed Versions as published

Affected productFortinet FortiWebreceipt
Published rangesfortinet fortiweb >= 7.0.0 < 7.0.11; fortinet fortiweb >= 7.2.0 < 7.2.11; fortinet fortiweb >= 7.4.0 < 7.4.8; fortinet fortiweb >= 7.6.0 < 7.6.4receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$503,000over the next 30 days, if this record is yours
Movement+$16,900on 2026-09-27, the last material move, 21 days before this reading
Basisassumeda published average, not your estate

$503,000 = $4.99M incident cost x 1 exposure x 0.10084 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

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Attack path

Unauthenticated network requestno credentials, no interactionFortinet FortiWebCWE-233 weaknessFull compromise (C/I/A)C:H / I:H / A:Hexploits CWE-233data compromise

What it is stated by the CNA

A improper handling of parameters in Fortinet FortiWeb versions 7.6.3 and below, versions 7.4.7 and below, versions 7.2.10 and below, and 7.0.10 and below may allow an unauthenticated remote attacker with non-public information pertaining to the device and targeted user to gain admin privileges on the device via a specially crafted request. receipt

NVD's analysis a second authority

weakness
CWE-233
affected versions
fortinet fortiweb >= 7.0.0 < 7.0.11; fortinet fortiweb >= 7.2.0 < 7.2.11; fortinet fortiweb >= 7.4.0 < 7.4.8; and 1 more, listed in full below
also scored by
psirt@fortinet.com 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

check it yourself fortiguard.fortinet.com receipt

Dated events

2025-12-19EPSS moved 0.00 to 0.192026-06-15EPSS moved 0.31 to 0.112026-09-27EPSS moved 0.10 to 0.10

Movement the material steps

13 Aug 20250.00093
19 Dec 20250.18952 · crossed 0.10
8 Jan 20260.40186
18 Feb 20260.2884
28 Apr 20260.1751
8 Jun 20260.30509
15 Jun 20260.1067 · scoring model v2026.06.15
13 Jul 20260.09825 · crossed 0.10
27 Sep 20260.10084 · crossed 0.10

This score more than doubled inside 72 hours. Both observations are in the full history below.

Show all 28 observations
13 Aug 20250.00093
16 Aug 20250.00245
18 Aug 20250.00322
13 Sep 20250.00351
23 Sep 20250.00477
19 Oct 20250.00498
12 Dec 20250.00587
18 Dec 20250.00292
19 Dec 20250.18952
21 Dec 20250.23003
8 Jan 20260.40186
9 Jan 20260.43458
12 Jan 20260.30773
18 Jan 20260.36961
20 Jan 20260.36946
30 Jan 20260.35252
17 Feb 20260.41298
18 Feb 20260.2884
7 Apr 20260.26358
15 Apr 20260.22024
28 Apr 20260.1751
18 May 20260.19703
29 May 20260.22775
8 Jun 20260.30509
15 Jun 20260.1067
13 Jul 20260.09825
9 Sep 20260.09746
27 Sep 20260.10084

28 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.10084Published2025-08-12Public PoC2025-08-23KEV and EPSS read2026-10-18

Exploit probability more than doubled between 2025-08-13 and 2025-08-16 (0.00093 → 0.00245) and the record had been public for 1 year, 2 months when this index was last written.

No material movement in 21 days as of the last ingest this index recorded.

Published 2025-08-12 receipt · Public PoC 2025-08-23 receipt · KEV and EPSS read 2026-10-18 derived

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