Dell PowerEdge 14G server BIOS versions prior to 2.18.1 and Dell Precision BIOS versions prior to 2.18.2, contain an Out of Bounds write vu…

published 2023-05-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29489

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

Dell PowerEdge 14G server BIOS versions prior to 2.18.1 and Dell Precision BIOS versions prior to 2.18.2, contain an Out of Bounds write vulnerability. A local attacker with low privileges could potentially exploit this vulnerability leading to exposure of some SMRAM stack/data/code in System Management Mode, leading to arbitrary code execution or escalation of privilege.

Patch / fix

fixed in 20

dell poweredge_r740_firmware 2.18.1
dell poweredge_r740xd_firmware 2.18.1
dell poweredge_r640_firmware 2.18.1
dell poweredge_r940_firmware 2.18.1
dell poweredge_r540_firmware 2.18.1
dell poweredge_r440_firmware 2.18.1
dell poweredge_t440_firmware 2.18.1
dell poweredge_xr2_firmware 2.18.1
dell poweredge_r740xd2_firmware 2.18.1
dell poweredge_r840_firmware 2.18.1
dell poweredge_r940xa_firmware 2.18.1
dell poweredge_t640_firmware 2.18.1
dell poweredge_c6420_firmware 2.18.1
dell poweredge_fc640_firmware 2.18.1
dell poweredge_m640_firmware 2.18.1
dell poweredge_mx740c_firmware 2.18.1
dell poweredge_mx840c_firmware 2.18.1
dell poweredge_c4140_firmware 2.18.1
dell dss_8440_firmware 2.18.1
dell poweredge_xe2420_firmware 2.18.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 21 mo ago (2025-01-21)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Dell PowerEdge Platform

Classification

Weakness

CWE-787 Out-of-bounds Write

References

dell.com /support/kbdoc/en-us/000213550/dsa-2023-098-security-update-for-dell-poweredge-14g-server-bios-for-an-out-of-b
vendor-advisory

Sources

CVE List CVE-2023-25537
NVD CVE-2023-25537

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary