CVE-2026-11492: d-link dir-823g_firmware Incorrect Privilege Assignment
Vulnerability summary
CVE-2026-11492 is a high (CVSS 8.8) Incorrect Privilege Assignment vulnerability in d-link dir-823g_firmware. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 08-06-2026PublishedVulnerability first disclosed.
- 08-06-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST2.1LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- CVE.orgCNA4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:RDiffers
- NVDNIST4.0MediumAV:N/AC:L/Au:S/C:N/I:P/A:N
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (notion.so)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-266Incorrect Privilege AssignmentA product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.
- CWE-272Least Privilege ViolationThe elevated privilege level required to perform operations such as chroot() should be dropped immediately after the operation is performed.
Affected systems
D-link1 product
- dir-823g_firmware1.0.2B05
Dlink1 product
- dir-823g_firmware1.0.2b05
2 vendors · 2 products
References
6 links- www.dlink.comProduct