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High 7.3Published Sep 7, 2026
CVE-2026-86300Tenda AC9 Web Management R7WebsSecurityHandler improper authentication
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A flaw has been found in Tenda AC9 15.03.05.14. This impacts the function R7WebsSecurityHandler of the component Web Management. This manipulation causes improper authentication. The attack may be initiated remotely. The exploit has been published and may be used.
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Tenda AC9 tenda:ac9_firmware | 15.03.05.14 | CNA record |
References
- https://vuldb.com/vuln/399464vdb-entry, technical-description
- https://vuldb.com/vuln/399464/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-86300third-party-advisory
- https://vuldb.com/submit/906606third-party-advisory
- https://vuldb.com/submit/906607third-party-advisory
- https://vuldb.com/submit/906608third-party-advisory
- https://github.com/limou89/somevul/blob/main/Tenda_AC9_getProduct_Info_Disclosure.mdrelated
- https://github.com/limou89/somevul/blob/main/Tenda_AC9_fast_setting_wifi_set_Unauth_Password.mdexploit
- https://www.tenda.com.cn/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.