CVE-2026-11492
CVE-2026-11492 is a medium-severity vulnerability in Dlink Dir-823g Firmware with a CVSS 3.x base score of 4.3. 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-266.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.0
- CVSS v4: 2.1
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-35023
- Weakness: CWE-266
- Affected product: Dlink Dir-823g Firmware
- Published:
- Last modified:
Description
A security flaw has been discovered in D-Link DIR-823G 1.0.2B05. The affected element is an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Performing a manipulation results in least privilege violation. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
Frequently asked questions
- What is CVE-2026-11492?
- A security flaw has been discovered in D-Link DIR-823G 1.0.2B05. The affected element is an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Performing a manipulation results in least privilege violation. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
- How severe is CVE-2026-11492?
- CVE-2026-11492 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-11492 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-11492?
- CVE-2026-11492 affects Dlink Dir-823g Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-11492?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-11492 have an EU (EUVD) identifier?
- Yes. CVE-2026-11492 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35023.
- When was CVE-2026-11492 published?
- CVE-2026-11492 was published on 2026-06-08 and last updated on 2026-06-17.
References
- https://vuldb.com/cve/CVE-2026-11492
- https://vuldb.com/submit/834816
- https://vuldb.com/vuln/369112
- https://vuldb.com/vuln/369112/cti
- https://www.dlink.com/
- https://www.notion.so/D-Link-DIR823G-V1-0-2B05_20181207-3671f5ba989080ac97fdc36d2fb5e57d?source=copy_link
Affected products (1)
- cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:*
More vulnerabilities in Dlink Dir-823g Firmware
- CVE-2023-43241 — Critical (CVSS 9.8): D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter TXPower and GuardInt in…
- CVE-2023-43235 — Critical (CVSS 9.8): D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter StartTime and EndTime in…
- CVE-2023-26616 — Critical (CVSS 9.8): D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which originates from the URL field in…
- CVE-2023-26613 — Critical (CVSS 9.8): An OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows unauthorized attackers to…
- CVE-2023-26612 — Critical (CVSS 9.8): D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which originates from the HostName field…
- CVE-2023-29665 — Critical (CVSS 9.8): D-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings.
All CVEs affecting Dlink Dir-823g Firmware →
Other CWE-266 (Incorrect Privilege Assignment) vulnerabilities
- CVE-2026-23800 — Critical (CVSS 10.0): Incorrect Privilege Assignment vulnerability in Modular DS modular-connector allows Privilege Escalation.This issue…
- CVE-2025-41115 — Critical (CVSS 10.0): SCIM provisioning was introduced in Grafana Enterprise and Grafana Cloud in April to improve how organizations manage…
- CVE-2024-9479 — Critical (CVSS 10.0): Improper Privilege Management vulnerability in upKeeper Solutions upKeeper Instant Privilege Access allows Privilege…
- CVE-2024-9478 — Critical (CVSS 10.0): Improper Privilege Management vulnerability in upKeeper Solutions upKeeper Instant Privilege Access allows Privilege…
- CVE-2026-42368 — Critical (CVSS 9.9): A privilege escalation vulnerability exists in the Web Interface functionality of GeoVision LPC2011/LPC2211 1.10. A…
- CVE-2026-32922 — Critical (CVSS 9.9): OpenClaw before 2026.3.11 contains a privilege escalation vulnerability in device.token.rotate that allows callers with…
Browse all CWE-266 (Incorrect Privilege Assignment) vulnerabilities →