CVE-2026-27520 Binardat 10G08-0800GSM Network Switch Base64-encoded Password Stored in Cookie
Attackers can recover plaintext passwords from Base64-encoded cookies, leading to unauthorized access on Binardat network switches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-27520?
CVE-2026-27520 is a high-severity vulnerability in Binardat Ltd. 10G08-0800GSM Network Switch, published on 24 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 store a user password in a client-side cookie as a Base64-encoded value accessible via the web interface. Because Base64 is reversible and provides no confidentiality, an attacker who can access the cookie value can recover the plaintext password.
Weakness: CWE-312
Which versions are affected by CVE-2026-27520?
It affects 1 product.
Products include Binardat 10g08-0800gsm Firmware.
How do I fix CVE-2026-27520?
No fix has been published for CVE-2026-27520 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-27520 being exploited?
There is no known exploitation of CVE-2026-27520 in the wild and no public exploit code.
Other vulnerabilities in Binardat Ltd. 10G08-0800GSM Network Switch
- CVE-2026-27507 Binardat 10G08-0800GSM Network Switch Hard-coded Credentials
- CVE-2026-27515 Binardat 10G08-0800GSM Network Switch Predictable Session Identifiers
- CVE-2026-23678 Binardat 10G08-0800GSM Network Switch Traceroute CLI Command Injection
- CVE-2026-27519 Binardat 10G08-0800GSM Network Switch Hard-coded RC4 Encryption Key
- CVE-2026-27516 Binardat 10G08-0800GSM Network Switch Plaintext Password Exposure
Sources
Also known as GHSA-m84g-fpm8-mqg8.