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Vulnerability · Published Aug 29, 2025 · Assigned by VulDB

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

Low 3.3

In plain English

A low-severity security flaw in tcpreplay from appneta. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.3%top 82.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12tcpreplayno fix listedDEBIAN-CVE-2025-9649
Debian:13tcpreplayno fix listedDEBIAN-CVE-2025-9649
Debian:14tcpreplay4.5.2-1DEBIAN-CVE-2025-9649
Ubuntu:25.10tcpreplayno fix listedUBUNTU-CVE-2025-9649
Ubuntu:26.04:LTStcpreplayno fix listedUBUNTU-CVE-2025-9649
Ubuntu:26.10tcpreplayno fix listedUBUNTU-CVE-2025-9649

Affected products (as reported)

VendorProductVersions
appneta tcpreplay 4.5.1

Weakness: CWE-369, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References