Quick answers
- Is CVE-2026-15270 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-15270 being exploited in the wild.
- How severe is CVE-2026-15270?
- High severity, with a CVSS score of 7.5, published 9 July 2026.
- Which products and versions are affected?
- D-Link DIR-823G 1.0.2B05_20181207.
- Is there a fix for CVE-2026-15270?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-15270 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-15270?
- Check whether you run D-Link DIR-823G at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A least privilege violation (CWE-272) and incorrect privilege assignment (CWE-266) vulnerability exists in the D-Link DIR-823G router running firmware version 1.0.2B05_20181207. The flaw is located within the web interface component, specifically involving the handling of the /etc/boa/boa.conf configuration file. A remote attacker with low-privileged credentials can exploit this vulnerability through complex manipulation to escalate their privileges. Successful exploitation allows the attacker to bypass intended security restrictions and perform actions with elevated authority. Public exploit code is reportedly available.
Affected products
- D-Link DIR-823G 1.0.2B05_20181207
Timeline
- 2026-07-09: advisory: Vulnerability published by NVD/VulDB