How severe is CVE-2017-5258?

CVE-2017-5258 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-5258 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5258?

CVE-2017-5258 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-2017-5258?

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

When was CVE-2017-5258 published?

CVE-2017-5258 was published on 2017-12-20 and last updated on 2026-06-17.

CVE-2017-5258

CVE-2017-5258 is a medium-severity vulnerability in Cambiumnetworks Epmp 1000 Firmware with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
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, an attacker who knows or can guess the RW community string can provide a URL for a configuration file over SNMP with XSS strings in certain SNMP OIDs, serve it via HTTP, and the affected device will perform a configuration restore using the attacker's supplied config file, including the inserted XSS strings.

Frequently asked questions

What is CVE-2017-5258?: In version 3.5 and prior of Cambium Networks ePMP firmware, an attacker who knows or can guess the RW community string can provide a URL for a configuration file over SNMP with XSS strings in certain SNMP OIDs, serve it via HTTP, and the affected device will perform a configuration restore using the attacker's supplied config file, including the inserted XSS strings.
How severe is CVE-2017-5258?: CVE-2017-5258 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-5258 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5258?: CVE-2017-5258 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-2017-5258?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-5258 published?: CVE-2017-5258 was published on 2017-12-20 and last updated on 2026-06-17.

References

https://blog.rapid7.com/2017/12/19/r7-2017-25-cambium-epmp-and-cnpilot-multiple-vulnerabilities/

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-2017-5255 — High (CVSS 8.8): In version 3.5 and prior of Cambium Networks ePMP firmware, a lack of input sanitation for certain parameters on the…
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-2017-5257 — 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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