How severe is CVE-2026-36174?

CVE-2026-36174 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-36174 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-36174?

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

Does CVE-2026-36174 have an EU (EUVD) identifier?

Yes. CVE-2026-36174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34277.

When was CVE-2026-36174 published?

CVE-2026-36174 was published on 2026-06-04 and last updated on 2026-07-05.

CVE-2026-36174

CVE-2026-36174 is a medium-severity vulnerability with a CVSS 3.x base score of 4.6. 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-256.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34277
Weakness: CWE-256
Published: 2026-06-04
Last modified: 2026-07-05

Description

GNCC GP5 v7.1.76 was discovered to store sensitive wireless network information in plaintext during routine operations to the serial console. This issue allows physically-proximate attackers to obtain sensitive information, including network credentials, via monitoring the serial UART interface.

Frequently asked questions

What is CVE-2026-36174?: GNCC GP5 v7.1.76 was discovered to store sensitive wireless network information in plaintext during routine operations to the serial console. This issue allows physically-proximate attackers to obtain sensitive information, including network credentials, via monitoring the serial UART interface.
How severe is CVE-2026-36174?: CVE-2026-36174 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-36174 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-36174?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-36174 have an EU (EUVD) identifier?: Yes. CVE-2026-36174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34277.
When was CVE-2026-36174 published?: CVE-2026-36174 was published on 2026-06-04 and last updated on 2026-07-05.

References

https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-GP5-T23/README.md

EU advisories (EUVD)

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