Permanent NFT loss via unchecked zero-address transfer
Published Sep 30, 2025 · Updated Sep 30, 2025
Improper transfer validation in Money Making Opportunity allows attackers to permanently lock NFTs at the zero address. The Dependencies.sol _transfer function updates balances and ownership when the recipient is the zero address instead of rejecting it. Exploitation requires token ownership or transfer approval; the affected NFT becomes permanently inaccessible with no recovery path.
Summary
What happened
Improper transfer validation in Money Making Opportunity allows attackers to permanently lock NFTs at the zero address. The Dependencies.sol _transfer function updates balances and ownership when the recipient is the zero address instead of rejecting it. Exploitation requires token ownership or transfer approval; the affected NFT becomes permanently inaccessible with no recovery path.
The record
- CVE
- CVE-2025-56207
- Published
- Sep 30, 2025
- Updated
- Sep 30, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-1259
- Attack vector
- network
- Privileges
- Unavailable
Timeline
How it unfolded
- Sep 30, 2025CVE publishedPublication date reported by the CVE source.
- Sep 30, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
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
- MMO zero-address transfer proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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