How severe is CVE-2025-28171?

CVE-2025-28171 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-28171 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-28171?

CVE-2025-28171 affects Grandstream Ucm6510 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-28171?

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

Does CVE-2025-28171 have an EU (EUVD) identifier?

Yes. CVE-2025-28171 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23006.

When was CVE-2025-28171 published?

CVE-2025-28171 was published on 2025-07-29 and last updated on 2026-07-05.

CVE-2025-28171

CVE-2025-28171 is a medium-severity vulnerability in Grandstream Ucm6510 Firmware with a CVSS 3.x base score of 6.5. 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-922.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23006
Weakness: CWE-922
Affected product: Grandstream Ucm6510 Firmware
Published: 2025-07-29
Last modified: 2026-07-05

Description

An issue in Grandstream UCM6510 v.1.0.20.52 and before allows a remote attacker to obtain sensitive information via the Login function at /cgi and /webrtccgi.

Frequently asked questions

What is CVE-2025-28171?: An issue in Grandstream UCM6510 v.1.0.20.52 and before allows a remote attacker to obtain sensitive information via the Login function at /cgi and /webrtccgi.
How severe is CVE-2025-28171?: CVE-2025-28171 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-28171 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-28171?: CVE-2025-28171 affects Grandstream Ucm6510 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-28171?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-28171 have an EU (EUVD) identifier?: Yes. CVE-2025-28171 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23006.
When was CVE-2025-28171 published?: CVE-2025-28171 was published on 2025-07-29 and last updated on 2026-07-05.

References

https://gist.github.com/Exek1el/a1fe4288f0df0a47068d618579c6b647

EU advisories (EUVD)

Affected products (1)

cpe:2.3:o:grandstream:ucm6510_firmware:*:*:*:*:*:*:*:*

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