Dell BIOS contains an Out-of-bounds Write vulnerability.
Dell BIOS contains an Out-of-bounds Write vulnerability. An unauthenticated physical attacker may potentially exploit this vulnerability, leading to denial of service.
- Published
- Jun 23, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.3% · 17th percentile
- CWE
- CWE-787
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Report tools
Action score
18
Monitor
Low priority for now.
- CVSS
- 18 / 40 · 4.6 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 4.6
- CNA · dell
- 3.5
- 1.1 point gap
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| dell | alienware m15 r6 firmware | cpe:2.3:o:dell:alienware_m15_r6_firmware |
| dell | alienware m15 r6 | cpe:2.3:h:dell:alienware_m15_r6 |
| dell | alienware m15 r7 firmware | cpe:2.3:o:dell:alienware_m15_r7_firmware |
| dell | alienware m15 r7 | cpe:2.3:h:dell:alienware_m15_r7 |
| dell | chengming 3900 firmware | cpe:2.3:o:dell:chengming_3900_firmware |
| dell | chengming 3900 | cpe:2.3:h:dell:chengming_3900 |
| dell | chengming 3901 firmware | cpe:2.3:o:dell:chengming_3901_firmware |
| dell | chengming 3901 | cpe:2.3:h:dell:chengming_3901 |
| dell | g15 5510 firmware | cpe:2.3:o:dell:g15_5510_firmware |
| dell | g15 5510 | cpe:2.3:h:dell:g15_5510 |
| dell | g15 5511 firmware | cpe:2.3:o:dell:g15_5511_firmware |
| dell | g15 5511 | cpe:2.3:h:dell:g15_5511 |
and 128 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- dell alienware m15 r6 firmwarebefore 1.22.1
- dell alienware m15 r7 firmwarebefore 1.17.0
- dell chengming 3900 firmwarebefore 1.13.0
- dell chengming 3901 firmwarebefore 1.13.0
- dell g15 5510 firmwarebefore 1.19.0
- dell g15 5511 firmwarebefore 1.22.1
- dell g15 5520 firmwarebefore 1.17.0
- dell inspiron 14 5410 firmwarebefore 2.19.1
- dell inspiron 14 5418 firmwarebefore 2.19.1
- dell inspiron 14 plus 7420 firmwarebefore 1.13.0
- dell inspiron 15 3511 firmwarebefore 1.22.1
- dell inspiron 15 5510 firmwarebefore 2.19.1
- dell inspiron 15 5518 firmwarebefore 2.19.1
- dell inspiron 16 7620 2-in-1 firmwarebefore 1.12.1
- dell inspiron 16 plus 7620 firmwarebefore 1.13.0
- dell inspiron 3511 firmwarebefore 1.22.1
- dell inspiron 3520 firmwarebefore 1.15.0
- dell inspiron 3891 firmwarebefore 1.18.1
- dell inspiron 3910 firmwarebefore 1.13.0
- dell inspiron 5310 firmwarebefore 2.20.1
Versions reported by the vendor
Affected version ranges reported by the assigning authority (dell). Independent of NVD's CPE analysis and usually ahead of it.
Dell CPG BIOS
- All Versionsaffected
Same product
dell: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-34403
Dell BIOS contains a Stack based buffer overflow vulnerability.35Monitor
- CVE-2024-52541Dell Client Platform BIOS contains a Weak Authentication vulnerability.32Monitor
- CVE-2022-26861Dell BIOS versions contain an Insecure Automated Optimization vulnerability.31Monitor
- CVE-2022-26860Dell BIOS versions contain a stack-based buffer overflow vulnerability.31Monitor
- CVE-2022-26858Dell BIOS versions contain an Improper Authentication vulnerability.31Monitor
- CVE-2021-21574Dell BIOSConnect feature contains a buffer overflow vulnerability.30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Physical access to the device is required.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Physical
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-787 · Out-of-bounds WriteCVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.