Cyber Resilience

CVE-2026-40698

HighRCEUpdated

Published: 13 May 2026

Published
13 May 2026
Modified
29 June 2026
KEV Added
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Patch
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CVSS Score v4 8.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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
EPSS Score 0.0024 14.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-40698 is a high-severity Command Injection (CWE-77) vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 8.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 14.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can create SNMP configuration objects through iControl REST or the TMOS shell (tmsh) resulting in privilege escalation. Note: Software…

more

versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE(s)
CWE-77

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
Why these techniques?

Vulnerability directly enables authenticated privilege escalation via command injection in configuration objects (CWE-77).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-55125Shared CWE-77
CVE-2026-41953Shared CWE-77
CVE-2024-46662Shared CWE-77
CVE-2026-23862Shared CWE-77
CVE-2025-33249Shared CWE-77
CVE-2025-22472Shared CWE-77
CVE-2025-33181Shared CWE-77
CVE-2025-33180Shared CWE-77
CVE-2026-40061Shared CWE-77
CVE-2026-8632Shared CWE-77

Affected Assets

f5
big-ip access policy manager
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip advanced firewall manager
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip advanced web application firewall
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip analytics
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip application acceleration manager
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip application security manager
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip application visibility and reporting
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip automation toolchain
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip carrier-grade nat
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
f5
big-ip container ingress services
21.0.0 · 17.1.0 — 17.1.3 · 17.5.0 — 17.5.1 · 16.1.0 — 16.1.6
+12 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References