CVE-2026-76014
BusyBox FEATURE_WGET_TIMEOUT wget.c null pointer dereference
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 19, 2026
- Updated
- Aug 25, 2026
- Reserved
- Aug 18, 2026
Description
A vulnerability has been found in BusyBox up to 1.30.1. This vulnerability affects unknown code of the file networking/wget.c of the component FEATURE_WGET_TIMEOUT Handler. Such manipulation of the argument -T leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The name of the patch is 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff. A patch should be applied to remediate this issue.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
BusyBoxn/a |
|
References
- VDB-391923 | BusyBox FEATURE_WGET_TIMEOUT wget.c null pointer dereferencevdb-entrytechnical-description
- VDB-391923 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-76014 | CVE Analysis and Reportthird-party-advisory
- Submit #878212 | BusyBox 1.30.1 NULL Pointer Dereferencethird-party-advisory
- https://github.com/mirror/busybox/issues/124issue-tracking
- https://gist.github.com/wyxstarry/5c199ec824928c5ae5816aaecbc6df03exploit
- https://github.com/mirror/busybox/commit/83a40bf7a93c8ac093d33ab452222dd5b9eb57ffpatch
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