How to Fix CVE-2026-27507: 10G08-0800GSM Network Switch (Bundle Sibling)

By Sai Kiran Pandrala. Last verified: 2026-05-25.

CVE-2026-27507 is a sibling vulnerability in the same vendor advisory as CVE-2026-23678. Apply the same patched build and you close both. The technical detail below is what differs.

What's different about CVE-2026-27507?

Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior contain hard-coded administrative credentials that cannot be changed by users. Knowledge of these credentials allows full administrative access to the device.

How to fix CVE-2026-27507

Apply the patched build per the primary write-up: How to Fix CVE-2026-23678. All commands, verification steps, and rollback notes for 10G08-0800GSM Network Switch are listed there.

Frequently asked questions

Does the CVE-2026-23678 patch close CVE-2026-27507?

Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.

Is CVE-2026-27507 listed in CISA KEV?

No public KEV listing at the time of this writing.

Where is the official advisory?

See https://www.binardat.com/products/8-port-10-gigabit-sfp-managed-switch,-support-1g-sfp-and-10g-sfp-module,-160gbps-bandwidth,-l3-web-managed,-metal-fanless-fiber-binardat-network-switch

References

• Official vendor advisory: https://www.binardat.com/products/8-port-10-gigabit-sfp-managed-switch,-support-1g-sfp-and-10g-sfp-module,-160gbps-bandwidth,-l3-web-managed,-metal-fanless-fiber-binardat-network-switch
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-27507
• CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• Primary: How to Fix CVE-2026-23678

*Written by Sai Kiran Pandrala. Part of the 10G08-0800GSM Network Switch bundle. Full procedure at how-to-fix-cve-2026-23678.*