How severe is CVE-2022-26997?

CVE-2022-26997 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-26997 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26997?

CVE-2022-26997 affects Commscope Arris Tr3300 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26997?

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

When was CVE-2022-26997 published?

CVE-2022-26997 was published on 2022-03-15 and last updated on 2026-06-17.

CVE-2022-26997

CVE-2022-26997 is a critical-severity vulnerability in Commscope Arris Tr3300 Firmware with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Commscope Arris Tr3300 Firmware
Published: 2022-03-15
Last modified: 2026-06-17

Description

Arris TR3300 v1.0.13 was discovered to contain a command injection vulnerability in the upnp function via the upnp_ttl parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Frequently asked questions

What is CVE-2022-26997?: Arris TR3300 v1.0.13 was discovered to contain a command injection vulnerability in the upnp function via the upnp_ttl parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
How severe is CVE-2022-26997?: CVE-2022-26997 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-26997 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26997?: CVE-2022-26997 affects Commscope Arris Tr3300 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26997?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-26997 published?: CVE-2022-26997 was published on 2022-03-15 and last updated on 2026-06-17.

References

https://github.com/wudipjq/my_vuln/blob/main/ARRIS/vuln_9/9.md

Affected products (1)

cpe:2.3:o:commscope:arris_tr3300_firmware:1.0.13:*:*:*:*:*:*:*

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