CVE-2025-9157— appneta tcpreplay tcprewrite edit_packet.c untrunc_packet use after free
Quick assessment
Affected
appneta tcpreplay
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Appneta Tcpreplay是美国Appneta公司的一套基于UNIX操作系统用于编辑和重放网络流量的开源实用程序。 Appneta Tcpreplay 4.5.2-beta2及之前版本存在资源管理错误漏洞，该漏洞源于组件tcprewrite中文件edit_packet.c函数untrunc_packet存在释放后重用问题。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-9157
Vulnerability Information
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Vulnerability Title
appneta tcpreplay tcprewrite edit_packet.c untrunc_packet use after free
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Appneta Tcpreplay 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Appneta Tcpreplay是美国Appneta公司的一套基于UNIX操作系统用于编辑和重放网络流量的开源实用程序。 Appneta Tcpreplay 4.5.2-beta2及之前版本存在资源管理错误漏洞，该漏洞源于组件tcprewrite中文件edit_packet.c函数untrunc_packet存在释放后重用问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-9157
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Patches & Fixes for CVE-2025-9157 (1)
Vendor Advisories for CVE-2025-9157 (1)
Other References for CVE-2025-9157 (1)
IV. Related Vulnerabilities
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CVE-2025-9385
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CVE-2025-9384
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CVE-2025-9384
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Same weakness: CWE-416
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V. Comments for CVE-2025-9157
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