There is an out-of-bounds read and write vulnerability in some headset products.

published 2022-09-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24066

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

There is an out-of-bounds read and write vulnerability in some headset products. An unauthenticated attacker gets the device physically and crafts malformed message with specific parameter and sends the message to the affected products. Due to insufficient validation of message, which may be exploited to cause out-of-bounds read and write.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 17 mo ago (2025-05-28)

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

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

Affected products

n/a 576up005 HOTA-CM-H-Shark-BD;577HOTA-CM-H-Shark-BD;581up-HOTA-CM-H-Shark-BD;586-HOTA-CM-H-Shark-BD;588-HOTA-CM-H-Shark-BD;606-HOTA-CM-H-Shark-BD;BI-ACC-REPORT;CM-H-Shark-BD

Classification

Weakness

CWE-125 Out-of-bounds Read
CWE-787 Out-of-bounds Write

References

huawei.com /en/psirt/security-advisories/huawei-sa-20220826-01-outofboundread-en
vendor-advisory

Sources

CVE List CVE-2020-36602
NVD CVE-2020-36602

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Summary