CVE-2026-36180
Description
GNCC GP5 firmware 7.1.76 has a runtime integrity bypass allowing physical attackers to modify system files during boot.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
GNCC GP5 firmware 7.1.76 has a runtime integrity bypass allowing physical attackers to modify system files during boot.
Vulnerability
A lack of runtime integrity in GNCC GP5 firmware version 7.1.76 allows physically-proximate attackers to bypass file system read-only protections. This vulnerability is exploitable via a bind-mount attack, enabling modification of system files and binaries for the duration of a boot session [1].
Exploitation
An attacker with physical access to the device can exploit this vulnerability. By leveraging a bind-mount attack during the boot process, they can modify system files and binaries. This requires the device to be in a state where its file system protections are not fully enforced at runtime [1].
Impact
Successful exploitation allows an attacker to modify system files and binaries for the duration of a boot session. This could lead to persistent changes or compromise the integrity of the system, potentially allowing for further unauthorized actions or privilege escalation once the system boots with modified components [1].
Mitigation
This vulnerability is currently unpatched. The vendor, GNCC, has not responded to vulnerability disclosure efforts. No workarounds or fixed versions have been disclosed. The affected firmware version is 7.1.76 on the GNCC GP5 (T23 Platform) [1].
AI Insight generated on Jun 4, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2Patches
0No patches discovered yet.
Vulnerability mechanics
Root cause
"A lack of runtime integrity checks allows attackers to bypass file system read-only protections."
Attack vector
Physically-proximate attackers can exploit this vulnerability by leveraging a bind-mount attack during a boot session. This allows them to modify system files and binaries while the system is running. The vulnerability is a result of a lack of runtime integrity in GNCC GP5 v7.1.76 [ref_id=1].
Affected code
The vulnerability stems from a lack of runtime integrity in GNCC GP5 v7.1.76, specifically concerning filesystem protections. The advisory does not detail specific code paths or files involved in this bypass [ref_id=1].
What the fix does
The advisory does not specify a patch or provide remediation guidance beyond noting the vulnerability is unpatched. Therefore, the vendor has not addressed the lack of runtime integrity that allows for filesystem bypass.
Preconditions
- inputPhysical access to the device is required.
Generated on Jun 4, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
3News mentions
0No linked articles in our index yet.