CVE-2025-9649: appneta tcpreplay send_packets.c calc_sleep_time divide by zero

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-08-29 · updated 2026-10-18
Weakness: CWE-369

Description

A security vulnerability has been detected in appneta tcpreplay 4.5.1. Impacted is the function calc_sleep_time of the file send_packets.c. Such manipulation leads to divide by zero. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 4.5.3-beta3 is recommended to address this issue. It is advisable to upgrade the affected component. The vendor confirms in a GitHub issue reply: "Was able to reproduce in 6fcbf03 but NOT 4.5.3-beta3."

Affected products

appneta tcpreplay: 4.5.1

References

https://drive.google.com/file/d/16QQtZvUrMbF-i_1cGt5hNWmkn-YVyBOM/view?usp=sharing
https://github.com/appneta/tcpreplay/issues/968
https://github.com/appneta/tcpreplay/issues/968#issuecomment-3226338070
https://vuldb.com/?ctiid.321855
https://vuldb.com/?id.321855
https://vuldb.com/?submit.630493
https://vuldb.com/?submit.630494

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