CVE-2026-48696
CVE-2026-48696 is a medium-severity vulnerability in Pavel-odintsov Fastnetmon with a CVSS 3.x base score of 6.2. 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-120.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31950
- Weakness: CWE-120
- Affected product: Pavel-odintsov Fastnetmon
- Published:
- Last modified:
Description
FastNetMon Community Edition through 1.2.9 has a buffer overflow, a different vulnerability than CVE-2026-48686 and CVE-2026-48689.
Frequently asked questions
- What is CVE-2026-48696?
- FastNetMon Community Edition through 1.2.9 has a buffer overflow, a different vulnerability than CVE-2026-48686 and CVE-2026-48689.
- How severe is CVE-2026-48696?
- CVE-2026-48696 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-48696 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-48696?
- CVE-2026-48696 affects Pavel-odintsov Fastnetmon. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-48696?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-48696 have an EU (EUVD) identifier?
- Yes. CVE-2026-48696 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31950.
- When was CVE-2026-48696 published?
- CVE-2026-48696 was published on 2026-05-26 and last updated on 2026-06-17.
References
- https://github.com/pavel-odintsov/fastnetmon
- https://lorikeetsecurity.com/blog/fastnetmon-cve-2026-48696-exabgp-sprintf-overflow
Affected products (1)
- cpe:2.3:a:pavel-odintsov:fastnetmon:*:*:*:*:community:*:*:*
More vulnerabilities in Pavel-odintsov Fastnetmon
- CVE-2026-48689 — Critical (CVSS 9.8): FastNetMon Community Edition through 1.2.9 contains an off-by-one heap-based buffer overflow in the…
- CVE-2026-48691 — Critical (CVSS 9.8): FastNetMon Community Edition through 1.2.9 contains an integer overflow in the BGP AS_PATH attribute encoder. In…
- CVE-2026-48687 — Critical (CVSS 9.8): FastNetMon Community Edition through 1.2.9 contains an OS command injection vulnerability in the Juniper router…
- CVE-2026-48686 — Critical (CVSS 9.8): FastNetMon Community Edition through 1.2.9 contains a stack-based buffer overflow in the BGP NLRI (Network Layer…
- CVE-2026-48695 — High (CVSS 8.1): FastNetMon Community Edition through 1.2.9 contains an OS command injection vulnerability in the MikroTik router…
- CVE-2026-48694 — High (CVSS 8.1): FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router…
All CVEs affecting Pavel-odintsov Fastnetmon →
Other CWE-120 (Classic Buffer Overflow) vulnerabilities
- CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
- CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
- CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
- CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
- CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
- CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…
Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →