How severe is CVE-2017-5255?

CVE-2017-5255 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-5255 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 75% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5255?

CVE-2017-5255 primarily affects Cambiumnetworks Epmp 1000 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-5255?

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-2017-5255 published?

CVE-2017-5255 was published on 2017-12-20 and last updated on 2026-06-17.

CVE-2017-5255

CVE-2017-5255 is a high-severity vulnerability in Cambiumnetworks Epmp 1000 Firmware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 75% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 75% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Cambiumnetworks Epmp 1000 Firmware
Published: 2017-12-20
Last modified: 2026-06-17

Description

In version 3.5 and prior of Cambium Networks ePMP firmware, a lack of input sanitation for certain parameters on the web management console allows any authenticated user (including the otherwise low-privilege readonly user) to inject shell meta-characters as part of a specially-crafted POST request to the get_chart function and run OS-level commands, effectively as root.

Frequently asked questions

What is CVE-2017-5255?: In version 3.5 and prior of Cambium Networks ePMP firmware, a lack of input sanitation for certain parameters on the web management console allows any authenticated user (including the otherwise low-privilege readonly user) to inject shell meta-characters as part of a specially-crafted POST request to the get_chart function and run OS-level commands, effectively as root.
How severe is CVE-2017-5255?: CVE-2017-5255 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-5255 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 75% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5255?: CVE-2017-5255 primarily affects Cambiumnetworks Epmp 1000 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5255?: 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-2017-5255 published?: CVE-2017-5255 was published on 2017-12-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:cambiumnetworks:epmp_1000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cambiumnetworks:epmp_2000_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Cambiumnetworks Epmp 1000 Firmware

CVE-2017-5254 — High (CVSS 8.8): In version 3.5 and prior of Cambium Networks ePMP firmware, the non-administrative users 'installer' and 'home' have…
CVE-2017-5258 — Medium (CVSS 5.4): In version 3.5 and prior of Cambium Networks ePMP firmware, an attacker who knows or can guess the RW community string…
CVE-2017-5257 — Medium (CVSS 5.4): In version 3.5 and prior of Cambium Networks ePMP firmware, an attacker who knows (or guesses) the SNMP read/write (RW)…
CVE-2017-5256 — Medium (CVSS 5.4): In version 3.5 and prior of Cambium Networks ePMP firmware, all authenticated users have the ability to update the…

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