CVE-2026-4906Tenda AC5 POST Request WizardHandle decodePwd stack-based overflow
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No exploitation reported and no EPSS estimate yet.
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A vulnerability was determined in Tenda AC5 15.03.06.47. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-121, CWE-119
- 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
- Analyzed
- Record last updated
- Mar 30, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Tenda AC5 tenda:ac5_firmware | 15.03.06.47 | CNA record |
tenda ac5_firmware tenda:ac5_firmware | 15.03.06.47 | NVD |
References
- https://vuldb.com/?id.353657vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/?ctiid.353657signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.777394third-party-advisory, vdb-entry
- https://lavender-bicycle-a5a.notion.site/Tenda_AC5_WizardHandle_PPW-32053a41781f80cab094d750d30dc9a8?source=copy_linkexploit, third-party-advisory
- 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.