EUVD-2026-54525
GHSA-42qr-7pw2-w47j
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable with low complexity; PR:L because ATP interface requires authentication; no confidentiality or integrity impact confirmed; availability limited to partial disruption of the trading component.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was determined in WonderTrader up to 0.9.9. This impacts an unknown function of the file src/Includes/WTSTradeDef.hpp of the component TraderATP Cash Trade Conversion. Executing a manipulation of the argument m_offsetType can lead to use of uninitialized variable. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Use of an uninitialized variable in WonderTrader up to version 0.9.9 allows a remote low-privileged attacker to cause limited availability disruption by manipulating the m_offsetType argument within the TraderATP Cash Trade Conversion component. The flaw resides in src/Includes/WTSTradeDef.hpp and is exploitable remotely, with a public proof-of-concept available via a Feishu document. No patch has been released and the vendor has not responded to disclosure - exploitation conditions are low complexity once authentication is satisfied, making this a persistent unmitigated risk for deployments using the ATP cash trading interface.
Technical ContextAI
WonderTrader is a quantitative trading framework primarily used in Chinese financial markets, and TraderATP refers to the ATP (Advanced Trading Platform) interface associated with brokers such as Huatai Securities. The affected file WTSTradeDef.hpp is a C++ header defining core trade structures. CWE-457 (Use of Uninitialized Variable) occurs when a variable is read before being assigned a valid value, leading to undefined behavior - commonly manifesting as crashes, erratic logic, or in some architectures, exposure of prior stack or heap memory contents. In C++ header-based implementations, uninitialized struct fields like m_offsetType (which encodes position offset type: open, close, close-today, etc.) can cause downstream trade logic to misinterpret order semantics. The CPE cpe:2.3:a:n/a:wondertrader:*:*:*:*:*:*:*:* covers all versions without a confirmed vendor identifier, indicating limited NVD curation. The 'Information Disclosure' tag on VulDB suggests potential for reading uninitialized memory contents alongside the availability impact reflected in the CVSS vector.
RemediationAI
No vendor-released patch has been identified at time of analysis; the vendor did not respond to the reporter's disclosure contact. As an immediate compensating control, restrict network access to the ATP trading interface using firewall rules to trusted broker networks and internal hosts only - this raises the effective attack complexity by eliminating open remote reachability. Disable the TraderATP Cash Trade Conversion feature entirely if ATP connectivity to a supporting broker is not actively required; note this will break ATP order flow. Require elevated privilege separation so that only privileged accounts can invoke ATP trade operations, reducing the PR:L attack surface. Monitor WonderTrader's GitHub repository (https://github.com/wondertrader/wondertrader) for upstream patches and pin deployments to a reviewed commit once a fix is merged. The exploit is detailed at https://my.feishu.cn/wiki/PyAuwg8Bwit3TBk5DgLc14Ghnkb - reviewing it will clarify specific trigger conditions to inform defensive rule tuning.
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Same weakness CWE-457 – Use of Uninitialized Variable
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today