9.3

CVE-2021-37566: mediatek mt7603e_firmware Out-of-bounds Write

CVSS: 9.3v2.0HighModified
Published 25-12-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-37566 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in mediatek mt7603e_firmware. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
1.31%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT7610, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915; Affected Software Versions 2.0.2; Out-of-bounds write).

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.31%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

+0.04 pp

From 1.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.31%

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

Mediatek9 products

1 vendor · 9 products

References

2 links