How severe is CVE-2022-45315?

CVE-2022-45315 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-45315 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45315?

CVE-2022-45315 affects Mikrotik Routeros. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45315?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-45315 published?

CVE-2022-45315 was published on 2022-12-05 and last updated on 2026-06-17.

CVE-2022-45315

CVE-2022-45315 is a medium-severity vulnerability in Mikrotik Routeros with a CVSS 3.x base score of 6.4. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Mikrotik Routeros
Published: 2022-12-05
Last modified: 2026-06-17

Description

Mikrotik RouterOs before stable v7.6 was discovered to contain an out-of-bounds read in the snmp process. This vulnerability allows authenticated attackers to execute arbitrary code via a crafted packet.

Frequently asked questions

What is CVE-2022-45315?: Mikrotik RouterOs before stable v7.6 was discovered to contain an out-of-bounds read in the snmp process. This vulnerability allows authenticated attackers to execute arbitrary code via a crafted packet.
How severe is CVE-2022-45315?: CVE-2022-45315 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-45315 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45315?: CVE-2022-45315 affects Mikrotik Routeros. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45315?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-45315 published?: CVE-2022-45315 was published on 2022-12-05 and last updated on 2026-06-17.

References

https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2022-45315/README.md

Affected products (1)

cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*

More vulnerabilities in Mikrotik Routeros

CVE-2017-20149 — Critical (CVSS 9.8): The Mikrotik RouterOS web server allows memory corruption in releases before Stable 6.38.5 and Long-term 6.37.5, aka…
CVE-2022-34960 — Critical (CVSS 9.8): The container package in MikroTik RouterOS 7.4beta4 allows an attacker to create mount points pointing to symbolic…
CVE-2018-7445 — Critical (CVSS 9.8): A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages.…
CVE-2023-30799 — Critical (CVSS 9.1): MikroTik RouterOS stable before 6.49.7 and long-term through 6.48.6 are vulnerable to a privilege escalation issue. A…
CVE-2018-14847 — Critical (CVSS 9.1): MikroTik RouterOS through 6.42 allows unauthenticated remote attackers to read arbitrary files and remote authenticated…
CVE-2022-45313 — High (CVSS 8.8): Mikrotik RouterOs before stable v7.5 was discovered to contain an out-of-bounds read in the hotspot process. This…

All CVEs affecting Mikrotik Routeros →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

185.193.240.246 (ipv4-addr)
35.130.111.146 (ipv4-addr)
35.130.111.98 (ipv4-addr)
27.110.176.222 (ipv4-addr)
102.64.43.181 (ipv4-addr)