CVE-2025-9649
CVE-2025-9649 is a low-severity vulnerability in Broadcom Tcpreplay with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-369.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- CVSS v2: 1.7
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-26193
- Weakness: CWE-369
- Affected product: Broadcom Tcpreplay
- Published:
- Last modified:
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."
Frequently asked questions
- What is CVE-2025-9649?
- 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."
- How severe is CVE-2025-9649?
- CVE-2025-9649 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2025-9649 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-9649?
- CVE-2025-9649 affects Broadcom Tcpreplay. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-9649?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-9649 have an EU (EUVD) identifier?
- Yes. CVE-2025-9649 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26193.
- When was CVE-2025-9649 published?
- CVE-2025-9649 was published on 2025-08-29 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:broadcom:tcpreplay:4.5.1:*:*:*:*:*:*:*
More vulnerabilities in Broadcom Tcpreplay
- CVE-2018-18408 — Critical (CVSS 9.8): A use-after-free was discovered in the tcpbridge binary of Tcpreplay 4.3.0 beta1. The issue gets triggered in the…
- CVE-2020-12740 — Critical (CVSS 9.1): tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation. The issue is being…
- CVE-2025-51006 — High (CVSS 7.8): Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the dlt_linuxsll2_cleanup() function…
- CVE-2022-37049 — High (CVSS 7.8): The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at…
- CVE-2022-37048 — High (CVSS 7.8): The component tcprewrite in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in…
- CVE-2022-37047 — High (CVSS 7.8): The component tcprewrite in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in get_ipv6_next at…
All CVEs affecting Broadcom Tcpreplay →
Other CWE-369 (Divide By Zero) vulnerabilities
- CVE-2021-32494 — Critical (CVSS 10.0): Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create…
- CVE-2017-11720 — Critical (CVSS 9.8): There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.
- CVE-2020-20892 — High (CVSS 8.8): An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers…
- CVE-2025-4637 — High (CVSS 8.7): Divide By Zero vulnerability in davisking dlib allows remote attackers to cause a denial of service via a crafted…
- CVE-2026-37232 — High (CVSS 8.6): An issue was discovered in OpenAirInterface5G 2.4.0 (nr-softmodem) in the E2SM-KPM RAN Function's PRB utilization…
- CVE-2024-26945 — High (CVSS 8.4): In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix nr_cpus < nr_iaa case If…