How severe is CVE-2018-17555?

CVE-2018-17555 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 high, integrity none, and availability none.

Is CVE-2018-17555 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17555?

CVE-2018-17555 affects Commscope Arris Tg2492lg-na Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17555?

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-2018-17555 published?

CVE-2018-17555 was published on 2018-09-26 and last updated on 2026-06-17.

CVE-2018-17555

CVE-2018-17555 is a high-severity vulnerability in Commscope Arris Tg2492lg-na 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Commscope Arris Tg2492lg-na Firmware
Published: 2018-09-26
Last modified: 2026-06-17

Description

The web component on ARRIS TG2492LG-NA 061213 devices allows remote attackers to obtain sensitive information via the /snmpGet oids parameter.

Frequently asked questions

What is CVE-2018-17555?: The web component on ARRIS TG2492LG-NA 061213 devices allows remote attackers to obtain sensitive information via the /snmpGet oids parameter.
How severe is CVE-2018-17555?: CVE-2018-17555 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 high, integrity none, and availability none.
Is CVE-2018-17555 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17555?: CVE-2018-17555 affects Commscope Arris Tg2492lg-na Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17555?: 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-2018-17555 published?: CVE-2018-17555 was published on 2018-09-26 and last updated on 2026-06-17.

References

http://misteralfa-hack.blogspot.com/2018/09/arris-tg2492lg-na-cable-modem-gateway.html

Affected products (1)

cpe:2.3:o:commscope:arris_tg2492lg-na_firmware:061213:*:*:*:*:*:*:*

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