FKIE_CVE-2023-33778

Vulnerability from fkie_nvd - Published: 2023-06-01 04:15 - Updated: 2026-06-17 06:02
Summary
Draytek Vigor Routers firmware versions below 3.9.6/4.2.4, Access Points firmware versions below v1.4.0, Switches firmware versions below 2.6.7, and Myvigor firmware versions below 2.3.2 were discovered to use hardcoded encryption keys which allows attackers to bind any affected device to their own account. Attackers are then able to create WCF and DrayDDNS licenses and synchronize them from the website.
Impacted products
Vendor Product Version
draytek myvigor *
draytek vigorswitch_pq2200xb_firmware *
draytek vigorswitch_pq2200xb -
draytek vigorswitch_pq2121x_firmware *
draytek vigorswitch_pq2121x -
draytek vigorswitch_p2540xs_firmware *
draytek vigorswitch_p2540xs -
draytek vigorswitch_p2280x_firmware *
draytek vigorswitch_p2280x -
draytek vigorswitch_p2100_firmware *
draytek vigorswitch_p2100 -
draytek vigorswitch_q2200x_firmware *
draytek vigorswitch_q2200x -
draytek vigorswitch_q2121x_firmware *
draytek vigorswitch_q2121x -
draytek vigorswitch_g2540xs_firmware *
draytek vigorswitch_g2540xs -
draytek vigorswitch_g2280x_firmware *
draytek vigorswitch_g2280x -
draytek vigorswitch_g2121_firmware *
draytek vigorswitch_g2121 -
draytek vigorswitch_g2100_firmware *
draytek vigorswitch_g2100 -
draytek vigorswitch_fx2120_firmware *
draytek vigorswitch_fx2120 -
draytek vigorswitch_p1282_firmware *
draytek vigorswitch_p1282 -
draytek vigorswitch_g1282_firmware *
draytek vigorswitch_g1282 -
draytek vigorswitch_g1085_firmware *
draytek vigorswitch_g1085 -
draytek vigorswitch_g1080_firmware *
draytek vigorswitch_g1080 -
draytek vigorap_903_firmware *
draytek vigorap_903 -
draytek vigorap_912c_firmware *
draytek vigorap_912c -
draytek vigorap_918r_firmware *
draytek vigorap_918r -
draytek vigorap_1060c_firmware *
draytek vigorap_1060c -
draytek vigorap_906_firmware *
draytek vigorap_906 -
draytek vigorap_960c_firmware *
draytek vigorap_960c -
draytek vigorap_1000c_firmware *
draytek vigorap_1000c -
draytek vigor2766ac_firmware *
draytek vigor2766ac_firmware *
draytek vigor2766ac -
draytek vigor2766ax_firmware *
draytek vigor2766ax_firmware *
draytek vigor2766ax -
draytek vigor2766vac_firmware *
draytek vigor2766vac_firmware *
draytek vigor2766vac -
draytek vigor2765ax_firmware *
draytek vigor2765ax_firmware *
draytek vigor2765ax -
draytek vigor2765vac_firmware *
draytek vigor2765vac_firmware *
draytek vigor2765vac -
draytek vigor2765ac_firmware *
draytek vigor2765ac_firmware *
draytek vigor2765ac -
draytek vigor2763ac_firmware *
draytek vigor2763ac_firmware *
draytek vigor2763ac -
draytek vigor2620l_firmware *
draytek vigor2620l_firmware *
draytek vigor2620l -
draytek vigor2620ln_firmware *
draytek vigor2620ln_firmware *
draytek vigor2620ln -
draytek vigorlte_200n_firmware *
draytek vigorlte_200n_firmware *
draytek vigorlte_200n -
draytek vigor2915ac_firmware *
draytek vigor2915ac_firmware *
draytek vigor2915ac -
draytek vigor2135ac_firmware *
draytek vigor2135ac_firmware *
draytek vigor2135ac -
draytek vigor2135ax_firmware *
draytek vigor2135ax_firmware *
draytek vigor2135ax -
draytek vigor2135fvac_firmware *
draytek vigor2135fvac_firmware *
draytek vigor2135fvac -
draytek vigor2135vac_firmware *
draytek vigor2135vac_firmware *
draytek vigor2135vac -
draytek vigor2866ax_firmware *
draytek vigor2866ax_firmware *
draytek vigor2866ax -
draytek vigor2866ac_firmware *
draytek vigor2866ac_firmware *
draytek vigor2866ac -
draytek vigor2866vac_firmware *
draytek vigor2866vac_firmware *
draytek vigor2866vac -
draytek vigor2866l_firmware *
draytek vigor2866l_firmware *
draytek vigor2866l -
draytek vigor2866lac_firmware *
draytek vigor2866lac_firmware *
draytek vigor2866lac -
draytek vigor2865ac_firmware *
draytek vigor2865ac_firmware *
draytek vigor2865ac -
draytek vigor2865ax_firmware *
draytek vigor2865ax_firmware *
draytek vigor2865ax -
draytek vigor2865vac_firmware *
draytek vigor2865vac_firmware *
draytek vigor2865vac -
draytek vigor2865l_firmware *
draytek vigor2865l_firmware *
draytek vigor2865l -
draytek vigor2865lac_firmware *
draytek vigor2865lac_firmware *
draytek vigor2865lac -
draytek vigor2862n_firmware *
draytek vigor2862n_firmware *
draytek vigor2862n -
draytek vigor2862ac_firmware *
draytek vigor2862ac_firmware *
draytek vigor2862ac -
draytek vigor2862vac_firmware *
draytek vigor2862vac_firmware *
draytek vigor2862vac -
draytek vigor2862b_firmware *
draytek vigor2862b_firmware *
draytek vigor2862b -
draytek vigor2862bn_firmware *
draytek vigor2862bn_firmware *
draytek vigor2862bn -
draytek vigor2862l_firmware *
draytek vigor2862l_firmware *
draytek vigor2862l -
draytek vigor2862lac_firmware *
draytek vigor2862lac_firmware *
draytek vigor2862lac -
draytek vigor2862ln_firmware *
draytek vigor2862ln_firmware *
draytek vigor2862ln -
draytek vigor2832n_firmware *
draytek vigor2832n_firmware *
draytek vigor2832n -
draytek vigor2927ax_firmware *
draytek vigor2927ax_firmware *
draytek vigor2927ax -
draytek vigor2927ac_firmware *
draytek vigor2927ac_firmware *
draytek vigor2927ac -
draytek vigor2927vac_firmware *
draytek vigor2927vac_firmware *
draytek vigor2927vac -
draytek vigor2927f_firmware *
draytek vigor2927f_firmware *
draytek vigor2927f -
draytek vigor2927l_firmware *
draytek vigor2927l_firmware *
draytek vigor2927l -
draytek vigor2927lac_firmware *
draytek vigor2927lac_firmware *
draytek vigor2927lac -
draytek vigor2926_plus_firmware *
draytek vigor2926_plus_firmware *
draytek vigor2926_plus -
draytek vigor2962_firmware *
draytek vigor2962_firmware *
draytek vigor2962 -
draytek vigor1000b_firmware *
draytek vigor1000b_firmware *
draytek vigor1000b -
draytek vigor3910_firmware *
draytek vigor3910_firmware *
draytek vigor3910 -
draytek vigor165_firmware *
draytek vigor165_firmware *
draytek vigor165 -
draytek vigor166_firmware *
draytek vigor166_firmware *
draytek vigor166 -
draytek vigor130_firmware *
draytek vigor130_firmware *
draytek vigor130 -
draytek vigor167_firmware *
draytek vigor167_firmware *
draytek vigor167 -

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}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.