8.8

CVE-2025-36553: broadcom bcm5820x Classic Buffer Overflow

CVSS: 8.8v3.1HighDeferred
Published 17-11-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-36553 is a high (CVSS 8.8) Classic Buffer Overflow vulnerability in broadcom bcm5820x. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.4% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-11-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

A buffer overflow vulnerability exists in the CvManager functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted ControlVault API call can lead to memory corruption. An attacker can issue an api call to trigger this vulnerability.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

+0.02 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Dell2 products
Broadcom1 product

2 vendors · 3 products

References

3 links