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Page generated: 09 Nov 2026, 09:51 UTC

CVE-2025-32756

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A stack-based buffer overflow vulnerability [CWE-121] vulnerability in Fortinet FortiCamera 2.1.0 through 2.1.3, FortiCamera 2.0 all versions, FortiCamera 1.1 all versions, FortiMail 7.6.0 through 7.6.2, FortiMail 7.4.0 through 7.4.4, FortiMail 7.2.0 through 7.2.7, FortiMail 7.0.0 through 7.0.8, FortiNDR 7.6.0, FortiNDR 7.4.0 through 7.4.7, FortiNDR 7.2.0 through 7.2.4, FortiNDR 7.0.0 through 7.0.6, FortiRecorder 7.2.0 through 7.2.3, FortiRecorder 7.0.0 through 7.0.5, FortiRecorder 6.4.0 through 6.4.5, FortiVoice 7.2.0, FortiVoice 7.0.0 through 7.0.6, FortiVoice 6.4.0 through 6.4.10 allows a remote unauthenticated attacker to execute arbitrary code or commands via sending HTTP requests with specially crafted hash cookie.

CVSS 9.6 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.6/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 9.6: +1.44
Fresh EPSS: 30.94%: +0.15

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 13 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

CyberSecurityNews

Press · 02 Oct 2026, 07:00 · Critical Fortinet FortiMail 0-Day Vulnerability Actively Exploited in Attacks - CyberSecurityNews

Bitsight

Press · 11 Mar 2026, 07:00 · RondoDox Botnet: From Zero to 174 Exploited Vulnerabilities - Bitsight

wiz.io

Press · 30 Oct 2025, 07:00 · What is a buffer overflow? Modern attacks and cloud security - wiz.io

Rapid7

Press · 07 Aug 2025, 07:00 · What’s New in Rapid7 Products & Services: Q2 2025 in Review - Rapid7

Check Point Research

Press · 19 May 2025, 07:00 · 19th May – Threat Intelligence Report - Check Point Research

See all 13 source documents

Cyber Security Agency of Singapore

Press · 16 May 2025, 07:00 · Critical Vulnerabilities in Multiple Fortinet Products - Cyber Security Agency of Singapore

The Hacker News

Press · 14 May 2025, 07:00 · Fortinet Patches CVE-2025-32756 Zero-Day RCE Flaw Exploited in FortiVoice Systems - The Hacker News

Rapid7

Press · 14 May 2025, 07:00 · CVE-2025-32756 Exploited in the Wild, Affecting Multiple Fortinet Products - Rapid7

SecurityWeek

Press · 14 May 2025, 07:00 · Fortinet Patches Zero-Day Exploited Against FortiVoice Appliances - SecurityWeek

Help Net Security

Press · 13 May 2025, 07:00 · Zero-day exploited to compromise Fortinet FortiVoice systems (CVE-2025-32756) - Help Net Security

Arctic Wolf

Press · 13 May 2025, 07:00 · Recommendations for CVE-2025-32756 - Arctic Wolf

CERT-FR

Technical advisory · 13 May 2025, 00:00 · Vulnérabilité dans les produits Fortinet (13 mai 2025)

CERT-FR

Press · 13 May 2025, 00:00 · Vulnérabilité dans les produits Fortinet (13 mai 2025)

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.6 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

See 3 repos with metrics

Repository	Stars	Forks	Language	Updated
kn0x0x/CVE-2025-32756-POC	192	28	Python	13 Jun 2025, 07:55
exfil0/CVE-2025-32756-POC	4	0	Python	18 May 2025, 19:36
alm6no5/CVE-2025-32756-POC	0	0	Python	09 Jun 2025, 11:54

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 9.6; EPSS 30.9%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:34.986036+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

First press mention

13 May 2025, 00:00

Published

13 May 2025, 14:46

Added to the CISA KEV catalog

14 May 2025, 00:00

Latest press mention

02 Oct 2026, 07:00

Score calculated

05 Nov 2026, 13:59

PoCs on GitHub

3 repositories