[UPDATE] [medium] BusyBox: Vulnerability allows file manipulation
A remote, anonymous attacker can exploit a vulnerability in BusyBox to manipulate files.
CSIRTS triage
- What
- A vulnerability allows a remote, anonymous attacker to manipulate files.
- Who is affected
- Users of BusyBox are affected.
- Urgency
- Remediation is medium urgency as it could lead to unauthorized file changes.
- Action
- Update BusyBox to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2189
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-2023-398100.70% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 50% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2023-39810 | coverage & exploitation status | NVD · CVE.org |
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.
- low[UPDATE] [low] BusyBox: Multiple vulnerabilitiescert-bund · 2026-07-24
- 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
More from CERT-Bund (BSI) Security Advisories
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow Denial of Service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-07-31
- medium[UPDATE] [medium] Linux Kernel (ntfs3): Vulnerability allows information disclosure2026-07-31