How severe is CVE-2023-45463?

CVE-2023-45463 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-45463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45463?

CVE-2023-45463 affects Netis-systems N3m Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45463?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-45463 published?

CVE-2023-45463 was published on 2023-10-13 and last updated on 2026-06-17.

CVE-2023-45463

CVE-2023-45463 is a high-severity vulnerability in Netis-systems N3m Firmware with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Netis-systems N3m Firmware
Published: 2023-10-13
Last modified: 2026-06-17

Description

Netis N3Mv2-V1.0.1.865 was discovered to contain a buffer overflow via the hostName parameter in the FUN_0040dabc function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Frequently asked questions

What is CVE-2023-45463?: Netis N3Mv2-V1.0.1.865 was discovered to contain a buffer overflow via the hostName parameter in the FUN_0040dabc function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
How severe is CVE-2023-45463?: CVE-2023-45463 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-45463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45463?: CVE-2023-45463 affects Netis-systems N3m Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45463?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-45463 published?: CVE-2023-45463 was published on 2023-10-13 and last updated on 2026-06-17.

References

https://github.com/adhikara13/CVE/blob/main/netis_N3/buffer%20overflow%20in%20hostname%20parameter%20leads%20to%20DOS.md

Affected products (1)

cpe:2.3:o:netis-systems:n3m_firmware:1.0.1.865:*:*:*:*:*:*:*

More vulnerabilities in Netis-systems N3m Firmware

CVE-2023-45467 — Critical (CVSS 9.8): Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via the ntpServIP parameter in the…
CVE-2023-45465 — Critical (CVSS 9.8): Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via the ddnsDomainName parameter in…
CVE-2023-43893 — Critical (CVSS 9.8): Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via the wakeup_mac parameter in the…
CVE-2023-43892 — Critical (CVSS 9.8): Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via the Hostname parameter within…
CVE-2023-43891 — Critical (CVSS 9.8): Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability in the Changing Username and…
CVE-2023-43890 — High (CVSS 8.8): Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability in the diagnostic tools page. This…

All CVEs affecting Netis-systems N3m Firmware →

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 →