What is CVE-2019-19822?

CVE-2019-19822 is a high-severity vulnerability in Ciktel Mesh Router, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-01-27.

How severe is CVE-2019-19822?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2019-19822 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Ciktel Mesh Router

CVE-2019-19822

A certain router administration interface (that includes Realtek APMIB 0.11f for Boa 0.94.14rc21) allows remote attackers to retrieve the configuration, including sensitive data (usernames and passwords). This affects TOTOLINK A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, and N100RE through 3.4.0; Rutek RTK 11N AP through 2019-12-12; Sapido GR297n through 2019-12-12; CIK TELECOM MESH ROUTER through 2019-12-12; KCTVJEJU Wireless AP through 2019-12-12; Fibergate FGN-R2 through 2019-12-12; Hi-Wifi MAX-C300N through 2019-12-12; HCN MAX-C300N through 2019-12-12; T-broad GN-866ac through 2019-12-12; Coship EMTA AP through 2019-12-12; and IO-Data WN-AC1167R through 2019-12-12.

Vulnerability class: Broken Authentication

Published 2020-01-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.087 (95.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.087 · newest: 0.087 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

github.com/Saturn49/wecb/blob/755ce19a493c78270c04b5aaf39664f0cddbb420/rtl819x/… (Third Party Advisory)
opensource.actiontec.com/sourcecode/wcb3000x/wecb3000n_gpl_0.16.8.4.tgz (Exploit, Third Party Advisory)
sploit.tech (Third Party Advisory)
seclists.org/fulldisclosure/2020/Jan/36 (mailing-list, Mailing List, Third Party Advisory)
packetstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Ex… (Exploit, VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2020/Jan/38 (mailing-list, Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19822?: CVE-2019-19822 is a high-severity vulnerability in Ciktel Mesh Router, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-01-27.
How severe is CVE-2019-19822?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-19822 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.