[UPDATE] [low] BusyBox: Multiple vulnerabilities

lowCVE-2024-58251 CVE-2025-46394

A remote, anonymous attacker can exploit multiple vulnerabilities in BusyBox to conduct a denial of service attack and manipulate files.

CSIRTS triage

vendor: BusyBox product: BusyBox Denial of serviceOther

What: Multiple vulnerabilities allow a remote, anonymous attacker to conduct a denial of service attack and manipulate files.
Who is affected: Users of BusyBox.
Urgency: Remediation is low urgency as the vulnerabilities are unpatched but not actively exploited.
Action: Monitor for updates and apply patches when available.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch BusyBox

Get an email when a new BusyBox advisory drops — max one per day, one-click unsubscribe.

Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: low
Published: 2026-07-24
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0879

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2024-582510.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
Low exploitation riskCVE-2025-463940.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-58251	coverage & exploitation status	NVD · CVE.org
CVE-2025-46394	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

criticalSiemens SINEC OScisa

Recent advisories for BusyBox

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[NEW] [UNPATCHED] [medium] BusyBox: Multiple vulnerabilities allow Denial of Servicecert-bund · 2026-07-21
lowCVE-2026-38755: A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attacker…nvd · 2026-07-15
mediumCVE-2026-38754: A heap overflow in the ifsbreakup() function (shell/ash.c) of Busybox v1.38.0 allows attackers…nvd · 2026-07-15
lowCVE-2026-38752: A stack overflow in the evaluate() function (editors/awk.c) of BusyBox commit 371fe9 allows at…nvd · 2026-07-15
mediumCVE-2026-38753: A use-after-free in the awk_sub() function (editors/awk.c) of Busybox v1.38.0 allows attackers…nvd · 2026-07-15
medium[UPDATE] [medium] BusyBox: Vulnerability allows file manipulationcert-bund · 2026-07-15