How severe is CVE-2026-27521?

CVE-2026-27521 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-2026-27521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27521?

CVE-2026-27521 affects Binardat 10g08-0800gsm Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27521?

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.

Does CVE-2026-27521 have an EU (EUVD) identifier?

Yes. CVE-2026-27521 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8536.

When was CVE-2026-27521 published?

CVE-2026-27521 was published on 2026-02-24 and last updated on 2026-06-17.

CVE-2026-27521

CVE-2026-27521 is a high-severity vulnerability in Binardat 10g08-0800gsm 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-307.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.9
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8536
Weakness: CWE-307
Affected product: Binardat 10g08-0800gsm Firmware
Published: 2026-02-24
Last modified: 2026-06-17

Description

Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior do not implement rate limiting or account lockout on failed login attempts, enabling brute-force attacks against user credentials.

Frequently asked questions

What is CVE-2026-27521?: Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior do not implement rate limiting or account lockout on failed login attempts, enabling brute-force attacks against user credentials.
How severe is CVE-2026-27521?: CVE-2026-27521 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-2026-27521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27521?: CVE-2026-27521 affects Binardat 10g08-0800gsm Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27521?: 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.
Does CVE-2026-27521 have an EU (EUVD) identifier?: Yes. CVE-2026-27521 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8536.
When was CVE-2026-27521 published?: CVE-2026-27521 was published on 2026-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:binardat:10g08-0800gsm_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Binardat 10g08-0800gsm Firmware

CVE-2026-27507 — Critical (CVSS 9.8): Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior contain hard-coded administrative…
CVE-2026-27515 — Critical (CVSS 9.1): Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 generate predictable numeric session…
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CVE-2026-27520 — High (CVSS 7.5): Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 store a user password in a…
CVE-2026-27519 — High (CVSS 7.5): Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior use RC4 with a hard-coded key embedded…
CVE-2026-27516 — High (CVSS 7.5): Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior expose user passwords in plaintext…

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