Some Huawei home routers have a connection hijacking vulnerability.

published 2024-12-28 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-59680

cvss: 7.5; 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

Some Huawei home routers have a connection hijacking vulnerability. Successful exploitation of this vulnerability may cause DoS or information leakage.(Vulnerability ID:HWPSIRT-2023-76605) This vulnerability has been assigned a (CVE)ID:CVE-2023-7266

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 22 mo ago (2024-12-28)

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
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	8.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Huawei TC7001-10
Huawei WS7200-10
Huawei WS7206-10

Classification

Weakness

CWE-420 Unprotected Alternate Channel

References

huawei.com /en/psirt/security-advisories/2024/huawei-sa-chvishhr-d616b19e-en
vendor-advisory

Sources

CVE List CVE-2023-7266
NVD CVE-2023-7266

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Summary