Authenticated code execution via unchecked partition copy
Published Aug 30, 2026 · Updated Aug 30, 2026
Stack-based buffer overflow in D-Link DIR-825M 1.1.8 allows remote authenticated users to execute code via a crafted partition value. The sub_46725C handler passes the HTTP POST partition value to sprintf, which writes it into the 132-byte stack buffer v9 without a length check. An oversized value overwrites the saved return address; the published proof of concept instead demonstrates a web-server crash.
Summary
What happened
Stack-based buffer overflow in D-Link DIR-825M 1.1.8 allows remote authenticated users to execute code via a crafted partition value. The sub_46725C handler passes the HTTP POST partition value to sprintf, which writes it into the 132-byte stack buffer v9 without a length check. An oversized value overwrites the saved return address; the published proof of concept instead demonstrates a web-server crash.
The record
- CVE
- CVE-2026-82592
- Published
- Aug 30, 2026
- Updated
- Aug 30, 2026
- Vendor
- D-Link
- Product
- DIR-825M
- Classifications
- CWE-119, CWE-121, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 30, 2026CVE publishedPublication date reported by the CVE source.
- Aug 30, 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?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.1.8
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
- DIR-825M formDiskFormat oversized partition proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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