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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."

In appneta tcpreplay 4.5.1 ist eine Schwachstelle entdeckt worden. Betroffen ist die Funktion calc_sleep_time der Datei send_packets.c. Durch das Beeinflussen mit unbekannten Daten kann eine divide by zero-Schwachstelle ausgenutzt werden. Der Angriff muss lokal durchgeführt werden. Der Exploit steht zur öffentlichen Verfügung. Durch ein Upgrade auf Version 4.5.3-beta3 kann dieses Problem behoben werden. Als bestmögliche Massnahme wird das Einspielen eines Upgrades empfohlen.

PUBLISHED Reserved 2025-08-29 | Published 2025-08-29 | Updated 2025-08-29 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Divide By Zero

Denial of Service

Product status

4.5.1
affected

4.5.3-beta3
unaffected

Timeline

2025-08-29:Advisory disclosed
2025-08-29:VulDB entry created
2025-08-29:VulDB entry last update

References

vuldb.com/?id.321855 (VDB-321855 | appneta tcpreplay send_packets.c calc_sleep_time divide by zero) vdb-entry technical-description

vuldb.com/?ctiid.321855 (VDB-321855 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.630493 (Submit #630493 | tcpreplay tcpreplay version 6fcbf03 (the newest master in https://github.com/appneta/tcpreplay) floating-point exception) third-party-advisory

vuldb.com/?submit.630494 (Submit #630494 | tcpreplay tcpreplay version 6fcbf03 (the newest master in https://github.com/appneta/tcpreplay) floating-point exception (Duplicate)) third-party-advisory

github.com/appneta/tcpreplay/issues/968 issue-tracking

github.com/appneta/tcpreplay/issues/968 issue-tracking

drive.google.com/...bF-i_1cGt5hNWmkn-YVyBOM/view?usp=sharing exploit

cve.org (CVE-2025-9649)

nvd.nist.gov (CVE-2025-9649)

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