CVE-2023-7266 — Some Huawei home routers have a connection hijacking vulnerability

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
Huawei	TC7001	10 — 2.0.0.336(SP6C300)
Huawei	WS7200	10 — WS7200-10-OTA 3.0.3.215-fullpackage(auto_1)
Huawei	WS7206	10 — WS7206-10-OTA 4.0.0.16(V3R2)-fullpackage(auto)

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-12-28T07:00:51.369Z
• Last modified: 2024-12-28T16:18:05.578Z

09References

• www.huawei.com — https://www.huawei.com/en/psirt/security-advisories/2024/huawei-sa-chvishhr-d616…