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
broadcom: tcpreplay
References7
- github.com/appneta/tcpreplay/issues/968 ExploitIssue TrackingVendor Advisory
- drive.google.com/file/d/16QQtZvUrMbF-i_1cGt5hNWmkn-YVyBOM/view?… Exploit
- github.com/appneta/tcpreplay/issues/968#issuecomment-3226338070 Issue Tracking
- vuldb.com/?ctiid.321855 Permissions RequiredVDB Entry
- vuldb.com/?id.321855 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.630493 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.630494 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 4.0
-
1.9
LOW
Score source: CNA
CVSS: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/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 - EPSS — exploit probability
- 0% percentile: 18 · as of 8 November 2026
- CWE
- CWE-369CWE-404
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.