Router crash via unchecked sprintf form copy
Published Mar 10, 2026 · Updated Mar 10, 2026
Stack-based buffer overflow in D-Link DIR-513 1.10 allows remote attackers to crash the router through formLanguageChange requests. The public report traces an oversized curtime form value through sprintf into a fixed-size stack buffer in goform/formLanguageChange. No authentication or user interaction is required; the CVE record instead names nextPage, leaving the affected parameter inconsistent across its cited sources.
Summary
What happened
Stack-based buffer overflow in D-Link DIR-513 1.10 allows remote attackers to crash the router through formLanguageChange requests. The public report traces an oversized curtime form value through sprintf into a fixed-size stack buffer in goform/formLanguageChange. No authentication or user interaction is required; the CVE record instead names nextPage, leaving the affected parameter inconsistent across its cited sources.
The record
- CVE
- CVE-2025-70227
- Published
- Mar 10, 2026
- Updated
- Mar 10, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-121, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 10, 2026CVE publishedPublication date reported by the CVE source.
- Mar 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
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
- CVEreport formLanguageChange HTTP request proof of conceptproof of concept · unverified
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Technologies
Your stack
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Your stack
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