Authenticated memory corruption via unchecked index argument
Published Mar 26, 2026 · Updated Mar 26, 2026
Stack-based buffer overflow in Tenda AC5 15.03.06.47 allows remote authenticated users to corrupt process memory via a crafted index. The formWifiWpsOOB POST handler at /goform/WifiWpsOOB accepts the index argument without enforcing the destination stack buffer's bounds. Authenticated network access to the handler is required; the record does not establish code execution or a specific service-interruption outcome.
Summary
What happened
Stack-based buffer overflow in Tenda AC5 15.03.06.47 allows remote authenticated users to corrupt process memory via a crafted index. The formWifiWpsOOB POST handler at /goform/WifiWpsOOB accepts the index argument without enforcing the destination stack buffer's bounds. Authenticated network access to the handler is required; the record does not establish code execution or a specific service-interruption outcome.
The record
- CVE
- CVE-2026-4905
- Published
- Mar 26, 2026
- Updated
- Mar 26, 2026
- Vendor
- Shenzhen Tenda Technology Co., Ltd.
- Product
- AC5
- Classifications
- CWE-119, CWE-121, CWE-787, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 26, 2026CVE publishedPublication date reported by the CVE source.
- Mar 26, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=15.03.06.47
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Tenda AC5 WifiWpsOOB index proof of conceptproof of concept · unverified
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Technologies
Your stack
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Your stack
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