CVE-2025-29989
No known exploitation. EPSS puts it in the 3rd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Dell Client Platform BIOS contains a Security Version Number Mutable to Older Versions vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to BIOS upgrade denial.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.1% chance of exploitation activity in the next 30 days, which ranks it in the 3rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 130 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- precision 5820 tower firmwareHardware Firmware / printer-peripheral
- precision 7820 tower firmwareHardware Firmware / printer-peripheral
- precision 7920 tower firmwareHardware Firmware / printer-peripheral
- precision 7865 tower firmwareHardware Firmware / bios-uefi
- Dell Client Platform BIOSHardware Firmware / bios-uefi
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:L
Scored 3.1 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required HighRequires admin or elevated privileges
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity LowData modification is possible but limited in scope or consequence
- Availability LowReduced performance or intermittent disruption of service
Weaknesses
Sources
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